Log Message:
-----------
On Win32, use loop to create pg_dump temporary tar file in the current
directory, not in device root, for permission reasons.
Backpatch to 8.1.X.
Modified Files:
--------------
pgsql/src/bin/pg_dump:
pg_backup_tar.c (r1.52 -> r1.53)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_tar.c.diff?r1=1.52&r2=1.53)