From 453da8e540b1c53d357b897d6c70372cd4633390 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 24 May 2017 12:15:52 +0200
Subject: [PATCH] convert-modeswitch.pl: fix message indices

Avoid treating index 0 the same way as not defined.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 convert-modeswitch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/convert-modeswitch.pl b/convert-modeswitch.pl
index 7b2323b..6930e5f 100755
--- a/convert-modeswitch.pl
+++ b/convert-modeswitch.pl
@@ -9,7 +9,7 @@ sub add_message {
 	my $msg = shift;
 	my $val = $messages{$msg};
 
-	$val or do {
+	defined($val) or do {
 		$val = $msg_ctr++;
 		$messages{$msg} = $val;
 	};
-- 
2.25.1