Clean up cruft around collation initialization for tupdescs and scankeys.

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

Commit: 7208fae18f1fdb242b4fcced77a3b836e15ac3ec
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2011-03-26T22:28:40Z
Releases: 9.1.0
Clean up cruft around collation initialization for tupdescs and scankeys.

I found actual bugs in GiST and plpgsql; the rest of this is cosmetic
but meant to decrease the odds of future bugs of omission.

Files