Prevent pg_upgrade from crashing if it can't write to the current
directory.
Backpatch to 9.2.
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/85642ec00b5e0c58d2504b10c079693b8fb28cc5
Modified Files
--------------
contrib/pg_upgrade/util.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)