Log Message:
-----------
Make pg_ctl status do a kill() test to verify that the PID found in
postmaster.pid still represents a live postmaster.
Modified Files:
--------------
pgsql/src/bin/pg_ctl:
pg_ctl.c (r1.55 -> r1.56)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_ctl/pg_ctl.c.diff?r1=1.55&r2=1.56)