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/dcscreen.cpp

@@ -25,7 +25,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
 wxScreenDC::wxScreenDC(void)
 {
   m_ok = FALSE;
-  m_window = NULL;
+  m_window = (GdkWindow *) NULL;
   m_cmap = gdk_colormap_get_system();
   
   m_window = GDK_ROOT_PARENT();