Thread: pgsql: Prevent pg_upgrade from crashing if it can't write to the curren

Prevent pg_upgrade from crashing if it can't write to the current
directory.

Backpatch to 9.2.

Branch
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REL9_2_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/e2af6537b5c81d9354e08896012cdd5c38bea311

Modified Files
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contrib/pg_upgrade/util.c |    3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)