Make sure we are looking at the right errno in the fix for bug 2452.
Make sure we are looking at the right errno in the fix for bug 2452.

Signed-off-by: Pavan T C <tcp@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 2452 (Excessive CPU usage /very low throughput while using NFS mounts)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2452

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster