atheros: atl2: fix an indentaion issue on a return statement

A return statment is not indented correctly, fix this by adding an
extra tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/atheros/atlx/atl2.c

@@ -2946,7 +2946,7 @@ static int atl2_validate_option(int *value, struct atl2_option *opt)
 			if (*value == ent->i) {
 				if (ent->str[0] != '\0')
 					printk(KERN_INFO "%s\n", ent->str);
-			return 0;
+				return 0;
 			}
 		}
 		break;