pgsql: Remove somebody's ill-considered free() call, per report from

Log Message:
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Remove somebody's ill-considered free() call, per report from Chander Ganesan.
No, I do not care whether Coverity considers this a memory leak.
It's entirely not worth the code space to do it correctly.

Modified Files:
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pgsql/src/bin/pg_ctl:
pg_ctl.c (r1.73 -> r1.74)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_ctl/pg_ctl.c.diff?r1=1.73&r2=1.74)