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/clipbrd.cpp

@@ -520,6 +520,8 @@ bool wxClipboard::AddData( wxDataObject *data )
 #else // !wxUSE_DRAG_AND_DROP
 */
     return FALSE;
+#else
+    return FALSE;
 #endif // wxUSE_DRAG_AND_DROP/!wxUSE_DRAG_AND_DROP
 }
 
@@ -606,6 +608,8 @@ bool wxClipboard::GetData( wxDataObject& data )
 #else
 */
     return FALSE;
+#else
+    return FALSE;
 #endif
 }