pgsnap - pgsnap: Enable connections via the Unix socket.

Log Message:
-----------
Enable connections via the Unix socket.

Modified Files:
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pgsnap/pgsnap/lib:
connect.php (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/connect.php.diff?r1=1.2&r2=1.3)
getopt.php (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/getopt.php.diff?r1=1.4&r2=1.5)