use DECLARE_NO_COPY_CLASS() where applicable (patch 633384)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18525 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/fileconf.h

@@ -210,6 +210,8 @@ private:
 #ifdef __UNIX__
   int m_umask;                    // the umask to use for file creation
 #endif // __UNIX__
+
+    DECLARE_NO_COPY_CLASS(wxFileConfig)
 };
 
 #endif