In pg_upgrade, fix the -l/log option to work on Windows.

Bruce Momjian <bruce@momjian.us>

Commit: 17a16eeb7c4fd0c6dce80521247a20d76706b2bb
Author: Bruce Momjian <bruce@momjian.us>
Date: 2011-07-20T22:31:03Z
Releases: 9.2.0
In pg_upgrade, fix the -l/log option to work on Windows.

Also, double-quote the log file name in all places, to allow (on all
platforms) log file names with spaces.

Back patch to 9.0 and 9.1.

Files