[PKT_SCHED] cls_basic: Use unsigned int when generating handle

Prevents filters from being added if the first generated
handle already exists.

Signed-off-by: Kim Nordlund <kim.nordlund@nokia.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 86cac49..09fda68 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -194,7 +194,7 @@
 	if (handle)
 		f->handle = handle;
 	else {
-		int i = 0x80000000;
+		unsigned int i = 0x80000000;
 		do {
 			if (++head->hgenerator == 0x7FFFFFFF)
 				head->hgenerator = 1;