K 10
svn:author
V 5
gonzo
K 8
svn:date
V 27
2019-01-15T00:52:41.453233Z
K 7
svn:log
V 312
[led] propagate error from set_led() to the caller

Do not lose error condition by always returning 0 from set_led.
None of the calls to set_led checks for return value at the moment so
none of API consumers in base is affected.

PR:		231567
Submitted by:	Bertrand Petit <bsdpr@phoe.frmug.org>
MFC after:	1 week

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