followup to r1604350, move the c->sbh assignment to immediately before the 
socket is added to the timeout queue. Technically not needed because we hold
the lock on the timeout queue, but more consistent with other blocks that
leave the thread.


Submitted By: Edward Lu <Chaosed0 gmail com>
Committed By: covener



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1605067 13f79535-47bb-0310-9956-ffa450edef68