pgsql: Fix various comparing functions

Log Message:
-----------
Fix various comparing functions

Tags:
----
REL8_0_STABLE

Modified Files:
--------------
    pgsql/contrib/tsearch2:
        dict.c (r1.6 -> r1.6.4.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/dict.c.diff?r1=1.6&r2=1.6.4.1)
        rank.c (r1.5.4.1 -> r1.5.4.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/rank.c.diff?r1=1.5.4.1&r2=1.5.4.2)
        ts_cfg.c (r1.11 -> r1.11.4.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/ts_cfg.c.diff?r1=1.11&r2=1.11.4.1)
        tsvector.c (r1.12 -> r1.12.4.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/tsvector.c.diff?r1=1.12&r2=1.12.4.1)
        wparser.c (r1.6 -> r1.6.4.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/wparser.c.diff?r1=1.6&r2=1.6.4.1)