git: net: Make sure that local variable is really used.

[Sepherosa Ziehau]

commit a9821961754712289d9e63368caf47709dc48b86
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Sun Feb 12 22:19:52 2017 +0800

    net: Make sure that local variable is really used.

Summary of changes:
 sys/net/if.c           | 7 ++++++-
 sys/net/if_ethersubr.c | 2 ++
 sys/net/pfil.c         | 2 ++
 3 files changed, 10 insertions(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/a9821961754712289d9e63368caf47709dc48b86


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