[SGSN] remove the mmctx->sgsn pointer

We never want to support multiple sgsn's within one process, so
there is no point in passing them around all the time.
4 files changed
tree: f342144b8f515700c1a4f1bdd78f436cdf194245
  1. hlrsync/
  2. libosmocore/
  3. linux-kernel/
  4. openbsc/
  5. rrlp-ephemeris/
  6. wireshark/