some minor adjustment to avoid conflicts with my next plugin

git-svn-id: https://plugins.svn.wordpress.org/gps-map-widget/trunk@1017961 b8457f37-d9ea-0310-8a92-e5e31aec5664
minor details

git-svn-id: https://plugins.svn.wordpress.org/gps-map-widget/trunk@1017962 b8457f37-d9ea-0310-8a92-e5e31aec5664