transport/socket: Enable NODELAY even if no option is set.
transport/socket: Enable NODELAY even if no option is set.

Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 524 (TCP_NODELAY not set when expected on client)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=524

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster