gsm_12_21.h: add flags for NM_ATT_IPACC_SUPP_FEATURES

Change-Id: Ia4208e10d61843dd6ae77398f6624c918dc81ea4
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 49db282..056d320 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -40,6 +40,14 @@
 abis_nm_get_sw_conf;
 abis_nm_get_sw_desc_len;
 
+abis_nm_ipacc_freq_band_desc;
+abis_nm_ipacc_ciph_algo_desc;
+abis_nm_ipacc_chant_desc;
+abis_nm_ipacc_chanm_desc;
+abis_nm_ipacc_gprs_coding_desc;
+abis_nm_ipacc_rtp_feat_desc;
+abis_nm_ipacc_rsl_feat_desc;
+
 osmo_sitype_strs;
 osmo_c4;
 osmo_get_rand_id;