tree cfe9a8db088b94be47108059c246b1ffddc664a2
parent 2bb8a1219cd3c3d17a491e334ddbeeb2a32b78ae
author Oliver Smith <osmith@sysmocom.de> 1676894104 +0100
committer osmith <osmith@sysmocom.de> 1676967462 +0000

gsm0808_dec_channel_type: fix dec of ch_rate_type

According to 3GPP TS 48.008 V16.0.0 § 3.2.2.11, the "Channel and rate
type" fills the whole octet 4, so don't cut it off.

This fixes decoding of e.g. GSM0808_SIGN_FULL_PREF_NO_CHANGE, which I
noticed while writing a test.

Related: OS#5911
Change-Id: Ib5fba18eb82736c4f52f315ae1197159b7090e69