Mutiple updates from SciTech for wxWindows including the following:

1. Updates to HTML applet classes in client side include syntax
2. Updates to wxUniversal for OS/2
3. Updates for better palette management on Windows
4. Misc other fixes and changes to fix build system for Watcom 11.0


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12045 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/region.h

@@ -45,7 +45,7 @@ public:
              ,const wxPoint& rBottomRight
             );
     wxRegion(const wxRect& rRect);
-    wxRegion(WXHRGN hRegion); // Hangs on to this region
+    wxRegion(WXHRGN hRegion, WXHDC hPS); // Hangs on to this region
 
     wxRegion();
     ~wxRegion();