Bluetooth: Rename function bt_err to bt_to_errno

Make it easier to use more normal logging styles later.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index cb4fb78..4c3621b 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -932,7 +932,7 @@
 		if (conn)
 			sco_conn_ready(conn);
 	} else
-		sco_conn_del(hcon, bt_err(status));
+		sco_conn_del(hcon, bt_to_errno(status));
 
 	return 0;
 }
@@ -944,7 +944,7 @@
 	if (hcon->type != SCO_LINK && hcon->type != ESCO_LINK)
 		return -EINVAL;
 
-	sco_conn_del(hcon, bt_err(reason));
+	sco_conn_del(hcon, bt_to_errno(reason));
 
 	return 0;
 }