pgsql-server: 1 Fix affixes with void replacement (AFAIK, it's only

Log Message:
-----------
1 Fix affixes with void replacement (AFAIK, it's only russian)
2 Optimize regex execution

Modified Files:
--------------
    pgsql-server/contrib/tsearch2:
        tsearch.sql.in (r1.7 -> r1.8)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/tsearch2/tsearch.sql.in.diff?r1=1.7&r2=1.8)
    pgsql-server/contrib/tsearch2/ispell:
        Makefile (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/tsearch2/ispell/Makefile.diff?r1=1.5&r2=1.6)
        spell.c (r1.14 -> r1.15)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/tsearch2/ispell/spell.c.diff?r1=1.14&r2=1.15)
        spell.h (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/tsearch2/ispell/spell.h.diff?r1=1.5&r2=1.6)

Added Files:
-----------
    pgsql-server/contrib/tsearch2/ispell:
        regis.c (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/tsearch2/ispell/regis.c?rev=1.1&content-type=text/x-cvsweb-markup)
        regis.h (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/tsearch2/ispell/regis.h?rev=1.1&content-type=text/x-cvsweb-markup)