[gprs] gb_proxy: use new msgb_bssgph() and msgb_bssgp_len() macros

The proxy code still operated on msg->l3h, which is no longer the
BSSGP header now.
1 file changed
tree: 98a2bcc06746ff50bb755356669a24e5ac42b351
  1. hlrsync/
  2. libosmocore/
  3. linux-kernel/
  4. openbsc/
  5. rrlp-ephemeris/
  6. wireshark/