nat: Return the SCCP connection, change order of patching and updating

* Return the SCCP connection. This will be needed to store the
  assigned timeslot in there.
* Update code to work with this change
* This uncovered a bug in the CC handling, at the time the BSC was
  passed it was still a null pointer and the code would have failed.
4 files changed
tree: 693cbd99102efbd7116f65e81b1752c5cd00ac74
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/