evdev.c: fix printing of unrecognized event type passed to EVIOCGBIT

* evdev.c (bit_ioctl): If event type is not unrecognized,
print the argument as an address.
diff --git a/evdev.c b/evdev.c
index 24af1ca..9a6c631 100644
--- a/evdev.c
+++ b/evdev.c
@@ -376,7 +376,9 @@
 			return decode_bitset(tcp, arg, evdev_ff_status,
 					     FF_STATUS_MAX, "FF_STATUS_???");
 		default:
-			return 0;
+			tprints(", ");
+			printaddr(arg);
+			return 1;
 	}
 }