check for ENOENT after unlink system call in stop volume function
check for ENOENT after unlink system call in stop volume function

Signed-off-by: Raghavendra Bhat <64c57e2a77d2d19f5eeefcd769a4c4c4cd4a8ab7@gluster.com>
Signed-off-by: Vijay Bellur <e442472d9ae74c677b6c389c9a6b15fa88229abe@dev.gluster.com>

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster