MFC r291904:

MFC r291904:
Fix the allocation of outgoing streams:
* When processing a cookie, use the number of
  streams announced in the INIT-ACK.
* When sending an INIT-ACK for an existing
  association, use the value from the association,
  not from the end-point.

git-svn-id: svn://svn.freebsd.org/base/stable/10@294215 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f