change generic ints to enums in wxDC (closes #9959)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57907 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/region.h

@@ -35,7 +35,8 @@ public:
         InitRect(rect.x, rect.y, rect.width, rect.height);
     }
 
-    wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
+    wxRegion( size_t n, const wxPoint *points, 
+              wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
 
 #if wxUSE_IMAGE
     wxRegion( const wxBitmap& bmp)