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

include/wx/generic/splitter.h

@@ -85,7 +85,7 @@ class WXDLLEXPORT wxSplitterWindow: public wxWindow
 
     // Removes the specified (or second) window from the view
     // Doesn't actually delete the window.
-    bool Unsplit(wxWindow *toRemove = NULL);
+    bool Unsplit(wxWindow *toRemove = (wxWindow *) NULL);
 
     // Is the window split?
     inline bool IsSplit(void) const { return (m_windowTwo != NULL); }