K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2020-03-17T14:12:19.362414Z
K 7
svn:log
V 344
Makefile.inc1: add a note when deleting stale dependencies

We have ad-hoc stale dependency handling in Makefile.inc1 to handle the
cases where file extensions change, but it appears that some cases are
not functional.  Add a note when about to clean stale deps to help
when investigating failure reports.

Sponsored by:	The FreeBSD Foundation

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