Update pg_upgrade comments for recent configpath fix.
Branch------REL9_2_STABLE
Details-------http://git.postgresql.org/pg/commitdiff/75d5e54f78e9a230855e018b2b38a22a65341511
Modified Files--------------contrib/pg_upgrade/option.c | 4 +++-1 files changed, 3 insertions(+), 1 deletions(-)
