: prevent tc crashes

(Logical change 1.81)
diff --git a/tc/q_tbf.c b/tc/q_tbf.c
index 707d874..8f8c277 100644
--- a/tc/q_tbf.c
+++ b/tc/q_tbf.c
@@ -257,7 +257,7 @@
 	return 0;
 }
 
-struct qdisc_util tbf_util = {
+struct qdisc_util tbf_qdisc_util = {
 	.id		= "tbf",
 	.parse_qopt	= tbf_parse_opt,
 	.print_qopt	= tbf_print_opt,