[gsm_04_08] Fix gsm48_send_rr_ciph_mode algorithm ID

The algorithm ID used in the GSM 04.08 RR message is
(x-1) for A5/x. In RSL it's (x+1) for A5/x so there is
a difference of 2.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
1 file changed
tree: 51082c08d706ac739066e26fb12188381f428c25
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/