[PATCH] oprofile: fix oprofilefs integer files base

This patch allows the oprofilefs files to take entry in any base
instead of just base 10

drivers/oprofile/oprofilefs.c

@@ -114,7 +114,7 @@ int oprofilefs_ulong_from_user(unsigned long * val, char const * buf, size_t cou
 		return -EFAULT;
 
 	spin_lock(&oprofilefs_lock);
-	*val = simple_strtoul(tmpbuf, NULL, 10);
+	*val = simple_strtoul(tmpbuf, NULL, 0);
 	spin_unlock(&oprofilefs_lock);
 	return 0;
 }