abis_nm.h: Use osmocom/core/abis_nm.h
diff --git a/openbsc/include/openbsc/abis_nm.h b/openbsc/include/openbsc/abis_nm.h
index ef60605..ae4f625 100644
--- a/openbsc/include/openbsc/abis_nm.h
+++ b/openbsc/include/openbsc/abis_nm.h
@@ -23,6 +23,7 @@
 #define _NM_H
 
 #include <osmocom/gsm/tlv.h>
+#include <osmocom/gsm/abis_nm.h>
 #include <osmocom/gsm/protocol/gsm_12_21.h>
 
 struct cell_global_id {
@@ -102,8 +103,6 @@
 			 uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr,
 			 uint8_t test_nr, uint8_t auton_report, struct msgb *msg);
 
-int abis_nm_chcomb4pchan(enum gsm_phys_chan_config pchan);
-
 /* Siemens / BS-11 specific */
 int abis_nm_bs11_reset_resource(struct gsm_bts *bts);
 int abis_nm_bs11_db_transmission(struct gsm_bts *bts, int begin);