bsc_subscr_conn_fsm.c: Fix wrong param list passed to LOGPFSML

Fixes: 3561bd48976dbee8dbd4659dad15be85a3e79ace

Change-Id: Ifbf84bd3b64eea5bf315b83c95561e4534acc3b7
diff --git a/src/libbsc/bsc_subscr_conn_fsm.c b/src/libbsc/bsc_subscr_conn_fsm.c
index 652fdcd..2542ee7 100644
--- a/src/libbsc/bsc_subscr_conn_fsm.c
+++ b/src/libbsc/bsc_subscr_conn_fsm.c
@@ -369,7 +369,7 @@
 			/* An unsupported channel is requested, so we have to
 			 * reject this request by sending an assignment failure
 			 * message immediately */
-			LOGPFSML(fi, LOGL_ERROR, "Requested channel mode is not supported!\n",
+			LOGPFSML(fi, LOGL_ERROR, "Requested channel mode is not supported! chan_mode=%s full_rate=%d\n",
 				 get_value_string(gsm48_chan_mode_names, conn->user_plane.chan_mode),
 				 conn->user_plane.full_rate);