pgsql: Don't try to free pgpassfile since it's a stack variable.

Log Message:
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Don't try to free pgpassfile since it's a stack variable.

Martin Pitt

Modified Files:
--------------
pgsql/src/interfaces/libpq:
fe-connect.c (r1.351 -> r1.352)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/fe-connect.c?r1=1.351&r2=1.352)