Use symbolic names not octal constants for file permission flags.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 04f4e10cfc158239ca00a6ed6a84428c7acb1e6d
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2010-12-10T22:35:33Z
Releases: 9.1.0
Use symbolic names not octal constants for file permission flags.

Purely cosmetic patch to make our coding standards more consistent ---
we were doing symbolic some places and octal other places.  This patch
fixes all C-coded uses of mkdir, chmod, and umask.  There might be some
other calls I missed.  Inconsistency noted while researching tablespace
directory permissions issue.

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