[PATCH] ppc64: fix sign extension bug in NUMA code

From: Anton Blanchard <anton@samba.org>

The ppc64 NUMA code has a sign extension problem.  We would sign extend tmp1
when assigning it to start.  Fix this by making tmp1 unsigned.

arch/ppc64/mm/numa.c

@@ -107,7 +107,7 @@ static int __init parse_numa_properties(void)
 	}
 
 	for (; memory; memory = of_find_node_by_type(memory, "memory")) {
-		int *tmp1, *tmp2;
+		unsigned int *tmp1, *tmp2;
 		unsigned long i;
 		unsigned long start = 0;
 		unsigned long size = 0;