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

samples/docview/doc.cpp

@@ -203,7 +203,7 @@ bool DrawingCommand::Undo(void)
         doc->GetDoodleSegments().Append(segment);
         doc->Modify(TRUE);
         doc->UpdateAllViews();
-        segment = NULL;
+        segment = (DoodleSegment *) NULL;
       }
       doc->Modify(TRUE);
       doc->UpdateAllViews();