NetBSD/pkgsrc-wip 497e12cnmh COMMIT_MSG

nmh: Add a COMMIT_MSG (intended to be used for the 1.7 update)

This is intended to be used for the commit message for mail/nmh 1.7 update.

Still several TODOs to address though!
DeltaFile
+40-0nmh/COMMIT_MSG
+40-01 files

UnifiedSplitRaw