Merge duplicate upper/lower/initcap() routines in oracle_compat.c and

Bruce Momjian <bruce@momjian.us>

Commit: f6ec7430f920991e417383c154f9c38c04a992b7
Author: Bruce Momjian <bruce@momjian.us>
Date: 2008-06-23T19:27:19Z
Releases: 8.4.0
Merge duplicate upper/lower/initcap() routines in oracle_compat.c and
formatting.c to use common code;  remove duplicate functions and support
routines that are no longer needed.

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