pgsql: Fix a bunch of 'old-style parameter declaration' warnings induced

Log Message:
-----------
Fix a bunch of 'old-style parameter declaration' warnings induced by
writing 'foo()' rather than 'foo(void)'.

Modified Files:
--------------
    pgsql/contrib/miscutil:
        misc_utils.c (r1.18 -> r1.19)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/miscutil/misc_utils.c.diff?r1=1.18&r2=1.19)
    pgsql/contrib/pg_autovacuum:
        pg_autovacuum.c (r1.22 -> r1.23)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_autovacuum/pg_autovacuum.c.diff?r1=1.22&r2=1.23)
    pgsql/contrib/pg_dumplo:
        main.c (r1.19 -> r1.20)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_dumplo/main.c.diff?r1=1.19&r2=1.20)
    pgsql/contrib/pgbench:
        pgbench.c (r1.33 -> r1.34)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgbench/pgbench.c.diff?r1=1.33&r2=1.34)
    pgsql/contrib/pgcrypto:
        crypt-des.c (r1.10 -> r1.11)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgcrypto/crypt-des.c.diff?r1=1.10&r2=1.11)
        internal.c (r1.13 -> r1.14)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgcrypto/internal.c.diff?r1=1.13&r2=1.14)
    pgsql/contrib/tsearch/dict:
        porter_english.dct (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch/dict/porter_english.dct.diff?r1=1.2&r2=1.3)