Include windows.h before sql headers, if compiling with VC++. Otherwise, for files

that don't use wxprec.h (non-sample/demo files), windows.h may not have been included,
and sqltypes.h will fail to compile.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12646 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/db.h

@@ -59,6 +59,16 @@
 
 extern "C" {
 #ifdef __VISUALC__
+// include standard Windows headers
+#if defined(__WXMSW__) && !wxUSE_MFC
+    #ifndef STRICT
+        #define STRICT 1
+    #endif
+
+    #include <windows.h>
+    #include "wx/msw/winundef.h"
+#endif
+
 // If you use the wxDbCreateDataSource() function with MSW/VC6,
 // you cannot use the iODBC headers, you must use the VC headers,
 // plus the odbcinst.h header - gt Nov 2 2000