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/popupwin.h

@@ -19,7 +19,6 @@
 #include "wx/window.h"
 
 #if wxUSE_POPUPWIN
-
 // ----------------------------------------------------------------------------
 // wxPopupWindow: a special kind of top level window used for popup menus,
 // combobox popups and such.
@@ -50,9 +49,12 @@ public:
                           const wxSize& size);
 };
 
+
 // include the real class declaration
 #ifdef __WXMSW__
     #include "wx/msw/popupwin.h"
+#elif __WXPM__
+    #include "wx/os2/popupwin.h"
 #elif __WXGTK__
     #include "wx/gtk/popupwin.h"
 #elif __WXMGL__