git: iwn: Fix set-but-unused gcc47 warning

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit db5c36f0d1765eb774686a0a43c5c510f6cd386e
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Sat Feb 9 09:34:03 2013 +0800

    iwn: Fix set-but-unused gcc47 warning

Summary of changes:
 sys/dev/netif/iwn/if_iwn.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/db5c36f0d1765eb774686a0a43c5c510f6cd386e


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