lapd_core: Fix log line being about LAPD and not LAPDm

Change-Id: I92c8a9752e88164eedffb9f9a081288458f6eadb
diff --git a/src/gsm/lapd_core.c b/src/gsm/lapd_core.c
index 2477222..c77b663 100644
--- a/src/gsm/lapd_core.c
+++ b/src/gsm/lapd_core.c
@@ -338,7 +338,7 @@
 /* reset to IDLE state */
 void lapd_dl_reset(struct lapd_datalink *dl)
 {
-	LOGDL(dl, LOGL_INFO, "Resetting LAPDm instance\n");
+	LOGDL(dl, LOGL_INFO, "Resetting LAPD instance\n");
 	/* enter idle state (and remove eventual cont_res) */
 	lapd_dl_newstate(dl, LAPD_STATE_IDLE);
 	/* flush buffer */