pgsql: Multibyte encodings support for ISpell dictionary

Log Message:
-----------
Multibyte encodings support for ISpell dictionary

Modified Files:
--------------
    pgsql/contrib/tsearch2:
        stopword.c (r1.6 -> r1.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/stopword.c.diff?r1=1.6&r2=1.7)
        ts_locale.h (r1.4 -> r1.5)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/ts_locale.h.diff?r1=1.4&r2=1.5)
    pgsql/contrib/tsearch2/ispell:
        regis.c (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/ispell/regis.c.diff?r1=1.2&r2=1.3)
        regis.h (r1.3 -> r1.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/ispell/regis.h.diff?r1=1.3&r2=1.4)
        spell.c (r1.24 -> r1.25)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/ispell/spell.c.diff?r1=1.24&r2=1.25)