Corrected byte swapping macros.

Added test for them to typetest.
  Removed debug code from wxClipboard.
  Added empty compat. call to wxMSW's clipboard.
  Added for primary selection to sample/text.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2753 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/clipbrd.h

@@ -83,6 +83,10 @@ public:
 
     // clears wxTheClipboard and the system's clipboard if possible
     virtual void Clear();
+    
+    /// X11 has two clipboards which get selected by this call. Empty on MSW.
+    inline void UsePrimarySelection( bool WXUNUSED(primary) ) { }
+    
 };
 
 // The global clipboard object