araujo b3dc960e19 MFC: r292969
Clean up unused-but-set-variable spotted by gcc-4.9.

Reviewed by:	ngie
Approved by:	rodrigc (mentor)
Sponsored by:	gandi.net
Differential Revision:	https://reviews.freebsd.org/D4778
2016-01-08 02:52:04 +00:00
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