Fix a few compile errors in more recent mingw32 build

Author: n1000

make.def

@@ -13,7 +13,7 @@
 
 # Ubuntu
 #TOOLPATH=/usr/bin/
-#CROSS=$(TOOLPATH)/i586-mingw32msvc-
+#CROSS=$(TOOLPATH)/i686-w64-mingw32-
 
 # OpenBSD
 #TOOLPATH=/usr/local/mingw32/bin/

pib/psout.c

@@ -65,7 +65,6 @@
 
 #include "../tools/getoptv.h"
 #include "../tools/number.h"
-#include "../tools/chars.h"
 #include "../tools/types.h"
 #include "../tools/error.h"
 #include "../tools/files.h"

tools/chars.h

@@ -15,12 +15,6 @@
  *
  *--------------------------------------------------------------------*/
 
-#ifndef isblank
-#ifndef __CYGWIN__
-#define isblank(c) ((char)(c) == ' ') || ((char)(c) == '\t')
-#endif
-#endif
-
 #ifndef nobreak
 #define nobreak(c) ((char)(c) != '\n') && ((int)(c) != EOF)
 #endif

tools/files.h

@@ -62,8 +62,12 @@
 
 #ifdef WIN32
 #define FILE_FILEMODE S_IREAD|S_IWRITE
+#ifndef S_IRGRP
 #define S_IRGRP 0
+#endif
+#ifndef S_IROTH
 #define S_IROTH 0
+#endif
 #else
 #define FILE_FILEMODE S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH
 #define O_BINARY 0