MFC: r292969
authoraraujo <araujo@FreeBSD.org>
Fri, 8 Jan 2016 02:52:04 +0000 (02:52 +0000)
committeraraujo <araujo@FreeBSD.org>
Fri, 8 Jan 2016 02:52:04 +0000 (02:52 +0000)
commitb3dc960e1951c63abe46e6dda55dc79258faeab1
tree8f8d2865cd04c3896b01a2df08869837fa3372ce
parente4679b3dbb9b286ac36e9b46d146bf79213226c3
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
sys/xen/xenbus/xenbusb.c