[ofa-general] cmatose fails whereas rping passes on iWarp

[Sean Hefty]

>I did this change and the hang went away as well.
>
>I think cmatose.c needs this fix.
>
>>>
>>> ucmatose completes when I change the following line:
>>>        send_wr.send_flags = 0;
>>> to
>>>        send_wr.send_flags = IBV_SEND_SIGNALED;

cmatose sets init_qp_attr.sq_sig_all = 1 when initializing the QP, so I wouldn't
expect this flag to be used.

- Sean