GEP 18: update fields in srcattrtype to what will be used in GEP18, so as to avoid translators seeing
non used fields (but best not to translate yet, this is trunk!)


git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22467 4ae1f11a-8b86-4847-b8af-ab372f36d1fd