Code review for MD5 authorization patch. Clean up some breakage

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

Commit: c1c888a9de0c062182552e66ca766b252ca140bc
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2001-09-21T20:31:49Z
Releases: 7.2.1
Code review for MD5 authorization patch.  Clean up some breakage
(salts were always zero!?), add much missing documentation.

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