0006802: In Narrative Web report most Family Maps are missing. Problem due to single apostrophe (closing single quotation mark) which needs to be escaped. 

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@23188 4ae1f11a-8b86-4847-b8af-ab372f36d1fd