Log Message:
-----------
Fix unportable code in SockAddr_cidr_mask: you can't assume that
shifting left by full word width gives zero. Per bug report from
Tyson Thomson.
Modified Files:
--------------
pgsql/src/backend/libpq:
ip.c (r1.29 -> r1.30)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/libpq/ip.c.diff?r1=1.29&r2=1.30)