Description: vhost: fix length for cross region descriptor
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=912905
Notes:
Bugs:
upstream: released (3.8) [bd97120fc3d1a11f3124c7c9ba1d91f51829eb85]
2.6.32-upstream-stable: N/A "Vulnerable code not present"
sid: released (3.2.41-1)
2.6.32-squeeze-security: N/A "Vulnerable code not present"
3.2-upstream-stable: released (3.2.40)