rlcmac: Rename field to MS RA Cap2 in Additional_MS_Rad_Access_Cap_t

This fix was spotted by wireshark.git developers while reviewing port of
osmo-pcu commit e50ce6e45c4509805807d599cadf1a1b23d37f63.

Related: https://code.wireshark.org/review/c/36574/
Fixes: e50ce6e45c4509805807d599cadf1a1b23d37f63

Change-Id: Ic5fc3252f61b6a042d9c3def7a6a32b311dd9d9e
diff --git a/src/gsm_rlcmac.cpp b/src/gsm_rlcmac.cpp
index c1dc80e..a2aae90 100644
--- a/src/gsm_rlcmac.cpp
+++ b/src/gsm_rlcmac.cpp
@@ -4346,7 +4346,7 @@
   /* Mac header */
 
   M_TYPE              (Additional_MS_Rad_Access_Cap_t,  ID, AdditionalMsRadAccessCapID_t),
-  M_TYPE              (Additional_MS_Rad_Access_Cap_t,  MS_Radio_Access_capability, MS_Radio_Access_capability2_t),
+  M_TYPE              (Additional_MS_Rad_Access_Cap_t,  MS_Radio_Access_capability2, MS_Radio_Access_capability2_t),
   M_PADDING_BITS      (Additional_MS_Rad_Access_Cap_t),
 CSN_DESCR_END         (Additional_MS_Rad_Access_Cap_t)