pgsql: Fix a couple of memory leaks in pg_restore.c

Fix a couple of memory leaks in pg_restore.c

per complaint from Coverity.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/6d5417e634b3841dcc44bdb43f5586bcde33ddb4

Modified Files
--------------
src/bin/pg_dump/pg_restore.c | 4 ++++
1 file changed, 4 insertions(+)