use new gsm48_number_of_paging_subchannels from libosmocore
diff --git a/openbsc/src/libbsc/paging.c b/openbsc/src/libbsc/paging.c
index 2dcd3b4..04f14c6 100644
--- a/openbsc/src/libbsc/paging.c
+++ b/openbsc/src/libbsc/paging.c
@@ -38,8 +38,10 @@
#include <stdlib.h>
#include <assert.h>
-#include <openbsc/paging.h>
#include <osmocom/core/talloc.h>
+#include <osmocom/gsm/gsm48.h>
+
+#include <openbsc/paging.h>
#include <openbsc/debug.h>
#include <openbsc/signal.h>
#include <openbsc/abis_rsl.h>
@@ -61,7 +63,7 @@
ccch_conf = bts->si_common.chan_desc.ccch_conf;
bs_cc_chans = rsl_ccch_conf_to_bs_cc_chans(ccch_conf);
/* code word + 2, as 2 channels equals 0x0 */
- blocks = rsl_number_of_paging_subchannels(bts);
+ blocks = gsm48_number_of_paging_subchannels(&bts->si_common.chan_desc);
group = get_paging_group(str_to_imsi(subscr->imsi),
bs_cc_chans, blocks);
return group;