1. wxIcon/wxCursor change, wxGDIImage class added

2. wxCriticalSection doesn't alloc memory any more
3. many minor fixes in bitmap/icon code


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4674 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/dib.cpp

@@ -731,7 +731,9 @@ bool wxLoadIntoBitmap(wxChar *filename, wxBitmap *bitmap, wxPalette **pal)
     bitmap->SetWidth(bm.bmWidth);
     bitmap->SetHeight(bm.bmHeight);
     bitmap->SetDepth(bm.bmPlanes * bm.bmBitsPixel);
+#if WXWIN_COMPATIBILITY_2
     bitmap->SetOk(TRUE);
+#endif // WXWIN_COMPATIBILITY_2
     return TRUE;
   }
   else return FALSE;