Log Message:
-----------
Fix pg_ctl crash on "unregister" when a data directory is not specified.
by Magnus Hagander
Modified Files:
--------------
pgsql/src/bin/pg_ctl:
pg_ctl.c (r1.63 -> r1.64)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_ctl/pg_ctl.c.diff?r1=1.63&r2=1.64)