pgsql: 1 Update Snowball sources 2 Makefile fixes

Log Message:
-----------
1 Update Snowball sources
2 Makefile fixes

Modified Files:
--------------
    pgsql/contrib/tsearch2:
        dict_snowball.c (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/dict_snowball.c.diff?r1=1.5&r2=1.6)
    pgsql/contrib/tsearch2/gendict:
        README.gendict (r1.1 -> r1.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/gendict/README.gendict.diff?r1=1.1&r2=1.2)
        config.sh (r1.1 -> r1.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/gendict/config.sh.diff?r1=1.1&r2=1.2)
    pgsql/contrib/tsearch2/ispell:
        Makefile (r1.6 -> r1.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/ispell/Makefile.diff?r1=1.6&r2=1.7)
    pgsql/contrib/tsearch2/snowball:
        Makefile (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/Makefile.diff?r1=1.5&r2=1.6)
        api.c (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/api.c.diff?r1=1.5&r2=1.6)
        api.h (r1.3 -> r1.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/api.h.diff?r1=1.3&r2=1.4)
        english_stem.c (r1.4 -> r1.5)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/english_stem.c.diff?r1=1.4&r2=1.5)
        english_stem.h (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/english_stem.h.diff?r1=1.2&r2=1.3)
        header.h (r1.3 -> r1.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/header.h.diff?r1=1.3&r2=1.4)
        russian_stem.c (r1.3 -> r1.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/russian_stem.c.diff?r1=1.3&r2=1.4)
        russian_stem.h (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/russian_stem.h.diff?r1=1.2&r2=1.3)
        utilities.c (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/snowball/utilities.c.diff?r1=1.5&r2=1.6)
    pgsql/contrib/tsearch2/wordparser:
        Makefile (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/wordparser/Makefile.diff?r1=1.5&r2=1.6)