PKT_SCHED: cls_basic: Use unsigned int when generating handle

gcc-4.1 and later take advantage of the fact that in the
C language certain types of overflow/underflow are undefined,
and this is completely legitimate.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

net/sched/cls_basic.c

@@ -194,7 +194,7 @@ static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
 	if (handle)
 		f->handle = handle;
 	else {
-		int i = 0x80000000;
+		unsigned int i = 0x80000000;
 		do {
 			if (++head->hgenerator == 0x7FFFFFFF)
 				head->hgenerator = 1;