made VST-GUI work with recent WINE-versions where no X-windows are be…

…ing created until a ShowWindow()-request is issued and thus we get a XID for embedding GUI

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/branches/lmms/stable-0.3@786 0778d3d1-df1d-0410-868b-ea421aaaa00d

plugins/vst_base/lvsl_server.cpp

@@ -1,7 +1,7 @@
 /*
  * lvsl_server.cpp - LMMS VST Support Layer Server
  *
- * Copyright (c) 2005-2007 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
  * 
  * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
  *
@@ -1081,6 +1081,8 @@ DWORD WINAPI VSTPlugin::guiEventLoop( LPVOID _param )
 		pthread_cond_signal( &_this->m_windowStatusChange );
 		return( 1 );
 	}
+	ShowWindow( _this->m_window, SW_SHOWMINIMIZED );
+	ShowWindow( _this->m_window, SW_HIDE );
 
 	_this->m_windowXID = (Sint32) GetPropA( _this->m_window,
 						"__wine_x11_whole_window" );