pgsql: Update citext expected output for recent change in error message

Log Message:
-----------
Update citext expected output for recent change in error message location
pointers.  This is only a whitespace change, which ought to be ignored
by regression testing, but for some reason buildfarm member spoonbill
doesn't like it.

Modified Files:
--------------
    pgsql/contrib/citext/expected:
        citext.out (r1.3 -> r1.4)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/citext/expected/citext.out?r1=1.3&r2=1.4)
        citext_1.out (r1.1 -> r1.2)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/citext/expected/citext_1.out?r1=1.1&r2=1.2)