osmo_rtp_socket_poll(): Fix log message to match function name

Change-Id: I5c36bbc35e2ba794b5e446f52a0752bcf1367d11
diff --git a/src/trau/osmo_ortp.c b/src/trau/osmo_ortp.c
index 51829d1..f7adc93 100644
--- a/src/trau/osmo_ortp.c
+++ b/src/trau/osmo_ortp.c
@@ -173,7 +173,8 @@
 	if (recv_with_cb(rs))
 		return 1;
 
-	LOGP(DLMIB, LOGL_INFO, "osmo_rtp_poll(%u): ERROR!\n", rs->rx_user_ts);
+	LOGP(DLMIB, LOGL_INFO, "osmo_rtp_socket_poll(%u): ERROR!\n",
+	     rs->rx_user_ts);
 	return 0;
 }