nat: Send a CM Service Reject for NAT_CON_TYPE_SSA as well

For USSD we remember that it is a supplementary service but this
means we sent no CM Service Reject down to the subscriber. Treat
NAT_CON_TYPE_CM_SERV_REQ and NAT_CON_TYPE_SSA the same and send
a cm service reject.
1 file changed
tree: 33c7cdb41c0a2c2c137d0571c7f5bfd43aa4f21e
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. README