General tidy-up (mainly typecasts) to allow the use of the SGI native

compilers (tested on Irix 6.5 with -mips3 -n32).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@623 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/dcmemory.cpp

@@ -57,7 +57,7 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
   else
   {
     m_ok = FALSE;
-    m_window = NULL;
+    m_window = (GdkWindow *) NULL;
   }
 }