features/locks: Fix a missing assignment in new_entrylk_lock()

Change-Id: If5c03456d61ec930d588b57781fb545eed18e4a2
BUG: 1085220
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Reviewed-on: http://review.gluster.org/7413
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Santosh Pradhan <spradhan@redhat.com>