Mark windows api nothrow @nogc

druntime/src/core/sys/windows/aclapi.d

@@ -15,7 +15,7 @@ pragma(lib, "advapi32");
 
 import core.sys.windows.accctrl, core.sys.windows.basetyps, core.sys.windows.w32api, core.sys.windows.winnt;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     VOID BuildExplicitAccessWithNameA(PEXPLICIT_ACCESS_A, LPSTR, DWORD,
       ACCESS_MODE, DWORD);
     VOID BuildExplicitAccessWithNameW(PEXPLICIT_ACCESS_W, LPWSTR, DWORD,

druntime/src/core/sys/windows/aclui.d

@@ -114,7 +114,7 @@ alias ISecurityInformation LPSECURITYINFO;
 // FIXME: linkage attribute?
 extern (C) /+DECLSPEC_IMPORT+/ extern const IID IID_ISecurityInformation;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     HPROPSHEETPAGE CreateSecurityPage(LPSECURITYINFO psi);
     BOOL EditSecurity(HWND hwndOwner, LPSECURITYINFO psi);
 }

druntime/src/core/sys/windows/httpext.d

@@ -109,7 +109,7 @@ struct HSE_SEND_HEADER_EX_INFO {
 }
 alias HSE_SEND_HEADER_EX_INFO* LPHSE_SEND_HEADER_EX_INF;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     BOOL GetExtensionVersion(HSE_VERSION_INFO*);
     DWORD HttpExtensionProc(EXTENSION_CONTROL_BLOCK*);
     BOOL TerminateExtension(DWORD);

druntime/src/core/sys/windows/ole.d

@@ -283,7 +283,7 @@ struct OLESERVERDOC {
 }
 alias OLESERVERDOC* LPOLESERVERDOC;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     OLESTATUS OleDelete(LPOLEOBJECT);
     OLESTATUS OleRelease(LPOLEOBJECT);
     OLESTATUS OleSaveToStream(LPOLEOBJECT, LPOLESTREAM);

druntime/src/core/sys/windows/ole2.d

@@ -48,7 +48,7 @@ extern (Windows) {
 }
 alias OLESTREAMVTBL* LPOLESTREAMVTBL;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     HRESULT CreateDataAdviseHolder(LPDATAADVISEHOLDER*);
     DWORD OleBuildVersion();
     HRESULT ReadClassStg(LPSTORAGE, CLSID*);

druntime/src/core/sys/windows/oleacc.d

@@ -186,7 +186,7 @@ interface IAccessible : IDispatch {
 
 alias IAccessible LPACCESSIBLE;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     HRESULT AccessibleChildren(IAccessible, LONG, LONG, VARIANT*, LONG*);
     HRESULT AccessibleObjectFromEvent(HWND, DWORD, DWORD, IAccessible, VARIANT*);
     HRESULT AccessibleObjectFromPoint(POINT, IAccessible*, VARIANT*);

druntime/src/core/sys/windows/oleauto.d

@@ -226,7 +226,7 @@ deprecated {  // not actually deprecated, but they aren't converted yet.
     alias ICreateTypeLib2 LPCREATETYPELIB2;
 }
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     BSTR SysAllocString(const(OLECHAR)*);
     int SysReAllocString(BSTR*, const(OLECHAR)*);
     BSTR SysAllocStringLen(const(OLECHAR)*, uint);

druntime/src/core/sys/windows/oledlg.d

@@ -387,7 +387,7 @@ struct OLEUIINSERTOBJECTA {
 }
 alias OLEUIINSERTOBJECTA* POLEUIINSERTOBJECTA, LPOLEUIINSERTOBJECTA;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     UINT OleUIInsertObjectW(LPOLEUIINSERTOBJECTW);
     UINT OleUIInsertObjectA(LPOLEUIINSERTOBJECTA);
 }
@@ -849,7 +849,7 @@ struct OLEUIOBJECTPROPSA {
 }
 alias OLEUIOBJECTPROPSA* POLEUIOBJECTPROPSA, LPOLEUIOBJECTPROPSA;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     BOOL OleUIAddVerbMenuW(LPOLEOBJECT, LPCWSTR, HMENU, UINT, UINT, UINT, BOOL, UINT, HMENU*);
     BOOL OleUIAddVerbMenuA(LPOLEOBJECT, LPCSTR, HMENU, UINT, UINT, UINT, BOOL, UINT, HMENU*);
     UINT OleUIBusyW(LPOLEUIBUSYW);

druntime/src/core/sys/windows/psapi.d

@@ -90,7 +90,7 @@ alias BOOL function(LPVOID, PENUM_PAGE_FILE_INFORMATION, LPCSTR)
 
 
 // Grouped by application, not in alphabetical order.
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     /* Process Information
      * http://windowssdk.msdn.microsoft.com/library/ms684870.aspx */
     BOOL EnumProcesses(DWORD*, DWORD, DWORD*); /* NT/2000/XP/Server2003/Vista/Longhorn */

druntime/src/core/sys/windows/winhttp.d

@@ -771,7 +771,7 @@ static if (_WIN32_WINNT >= 0x602)
 }
 
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     BOOL WinHttpAddRequestHeaders(HINTERNET hRequest, LPCWSTR pwszHeaders, DWORD dwHeadersLength, DWORD dwModifiers);
 
     BOOL WinHttpCheckPlatform();

druntime/src/core/sys/windows/winnetwk.d

@@ -315,7 +315,7 @@ struct NETCONNECTINFOSTRUCT {
 }
 alias NETCONNECTINFOSTRUCT* LPNETCONNECTINFOSTRUCT;
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     DWORD WNetAddConnection2A(LPNETRESOURCEA, LPCSTR, LPCSTR, DWORD);
     DWORD WNetAddConnection2W(LPNETRESOURCEW, LPCWSTR, LPCWSTR, DWORD);
     DWORD WNetAddConnection3A(HWND, LPNETRESOURCEA, LPCSTR, LPCSTR, DWORD);

druntime/src/core/sys/windows/winsvc.d

@@ -272,7 +272,7 @@ static if (_WIN32_WINNT >= 0x500) {
     alias SERVICE_FAILURE_ACTIONSW* LPSERVICE_FAILURE_ACTIONSW;
 }
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     BOOL ChangeServiceConfigA(SC_HANDLE, DWORD, DWORD, DWORD, LPCSTR,
       LPCSTR, LPDWORD, LPCSTR, LPCSTR, LPCSTR, LPCSTR);
     BOOL ChangeServiceConfigW(SC_HANDLE, DWORD, DWORD, DWORD, LPCWSTR,

druntime/src/core/sys/windows/winver.d

@@ -139,7 +139,7 @@ struct VS_FIXEDFILEINFO {
     DWORD dwFileDateLS;
 }
 
-extern (Windows) {
+extern (Windows) nothrow @nogc {
     DWORD VerFindFileA(DWORD, LPCSTR, LPCSTR, LPCSTR, LPSTR, PUINT, LPSTR,
       PUINT);
     DWORD VerFindFileW(DWORD, LPCWSTR, LPCWSTR, LPCWSTR, LPWSTR, PUINT, LPWSTR,