Log Message:
-----------
Add more strict check of stop and non-recognized words,
allow only recognized words in thezaurus configuration file.
Modified Files:
--------------
pgsql/contrib/tsearch2:
dict_thesaurus.c (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/dict_thesaurus.c.diff?r1=1.1&r2=1.2)