[PATCH] Fix two warnings on x86-64

From: Andi Kleen <ak@muc.de>

Just fix two warnings on x86-64 that were recently introduced (one by me
and the other by the sort extable changes)

arch/x86_64/mm/extable.c

@@ -55,5 +55,4 @@ void sort_extable(struct exception_table_entry *start,
 			}
 		}
 	} while (change != 0);
-	return 0;
 }

arch/x86_64/mm/k8topology.c

@@ -75,7 +75,7 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
 			continue;
 		} 
 		if (nodeid >= numnodes) { 
-			printk("Ignoring excess node %d (%x:%x)\n", nodeid, 
+			printk("Ignoring excess node %d (%lx:%lx)\n", nodeid,
 			       base, limit); 
 			continue;
 		}