GTK 1.2 compilo/link error.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31811 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/bitmap.cpp

@@ -1555,6 +1555,8 @@ void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
     }
 }
 
+#endif // __WXGTK20__
+
 //-----------------------------------------------------------------------------
 // wxBitmapHandler
 //-----------------------------------------------------------------------------
@@ -1587,4 +1589,3 @@ bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int
 }
 
 
-#endif // __WXGTK20__