Silence -Wunused-result warning in contrib/pg_upgrade.
This is just neatnik-ism, but since we do it for comparable code in elog.c,
we may as well do it here.
Branch
------
REL9_2_STABLE
Details
-------
http://git.postgresql.org/pg/commitdiff/970212f911728097b44ac231438c5cf4d45b2089
Modified Files
--------------
contrib/pg_upgrade/util.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)
