bsc/netinit: correct mistyped rate counter

Introduced by b847a21fa48158b17c4f84c1ceeb3d143cffed8c

Change-Id: I57c41f98e3826951a5071b005cb640c23d466477
diff --git a/openbsc/src/libbsc/net_init.c b/openbsc/src/libbsc/net_init.c
index 37ba3c0..65419ae 100644
--- a/openbsc/src/libbsc/net_init.c
+++ b/openbsc/src/libbsc/net_init.c
@@ -82,7 +82,7 @@
 
 	/* init statistics */
 	net->bsc_ctrs = rate_ctr_group_alloc(net, &bsc_ctrg_desc, 0);
-	net->bsc_ctrs = rate_ctr_group_alloc(net, &msc_ctrg_desc, 0);
+	net->msc_ctrs = rate_ctr_group_alloc(net, &msc_ctrg_desc, 0);
 
 	net->mncc_recv = mncc_recv;
 	net->ext_min = GSM_MIN_EXTEN;