This will fix a compiler warning with -Wclobbered:

http://lists.nongnu.org/archive/html/qemu-devel/2016-07/msg03347.htmlReported-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NSergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: NSergey Fedorov <sergey.fedorov@linaro.org>
Message-Id: <20160715193123.28113-1-sergey.fedorov@linaro.org>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>