replace use of 'long/int bitmapType' with 'wxBitmapType bitmapType' in richtext and wxMemoryFSHandler

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53535 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/fs_mem.h

@@ -99,11 +99,11 @@ public:
 #if wxUSE_IMAGE
     static void AddFile(const wxString& filename,
                         const wxImage& image,
-                        long type);
+                        wxBitmapType type);
 
     static void AddFile(const wxString& filename,
                         const wxBitmap& bitmap,
-                        long type);
+                        wxBitmapType type);
 #endif // wxUSE_IMAGE
 
 };