Update platform-specific-expected-file support so that platforms can be

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

Commit: b86ca72f397292b9d4d0df98ea6d8cac61037430
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2000-01-09T20:54:36Z
Releases: 7.1.1
Update platform-specific-expected-file support so that platforms can be
specified by regular-expression patterns.  Add some more files.

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