Andriy Voskoboinyk d614ded66a lockf(1): return EX_UNAVAILABLE if -n is used and the lock file does not ...

exist

Apply EX_UNAVAILABLE patch part from PR 170775 to match the documentation.

Checked with a command from PR 210770:
lockf -n /tmp/doesnotexist echo; echo $?

PR:		210770
MFC after:	1 week

2019-03-20 07:40:38 +00:00

..

lockf.1

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lockf.c

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Makefile

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Makefile.depend

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