fixes read data corruption seen by patch b04d963e91f8b3c72343e1043d6ed8c68699c4fe
fixes read data corruption seen by patch b04d963e91f8b3c72343e1043d6ed8c68699c4fe

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1333 ([3.1.0qa4]md5sum mismatch of files on client)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1333

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster