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

src/os2/thread.cpp

@@ -21,6 +21,9 @@
 #include <stdio.h>
 
 #include "wx/module.h"
+#include "wx/intl.h"
+#include "wx/utils.h"
+#include "wx/log.h"
 #include "wx/thread.h"
 
 #define INCL_DOSSEMAPHORES