Don't crash if not opened

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23331 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
added SVN properties, and SVN "Id" lines if needed

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23334 4ae1f11a-8b86-4847-b8af-ab372f36d1fd