SUNRPC: Ensure call_connect_status() deals correctly with SOFTCONN tasks

Don't schedule an rpc_delay before checking to see if the task
is a SOFTCONN because the tk_callback from the delay (__rpc_atrun)
clears the task status before the rpc_exit_task can be run.

Signed-off-by: Steve Dickson <steved@redhat.com>
Fixes: 561ec160 (SUNRPC: call_connect_status should recheck...)
Link: http://lkml.kernel.org/r/5329CF7C.7090308@RedHat.com


Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>