protocol/client: send CHILD_UP directly fuse if parent is NULL
protocol/client: send CHILD_UP directly fuse if parent is NULL

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 1568 (Fuse init doesn't happen when vol file is changed)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1568

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster