From c6c2a23ecb10b4b54e7e9b703d14e8c7cda6ad55 Mon Sep 17 00:00:00 2001
From: Andreas Fischer <bantu@phpbb.com>
Date: Sat, 5 Mar 2011 22:20:23 +0100
Subject: [PATCH] [ticket/10042] GD CAPTCHA: Round offset to the next pixel.

PHPBB3-10042
---
 phpBB/includes/captcha/captcha_gd.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpBB/includes/captcha/captcha_gd.php b/phpBB/includes/captcha/captcha_gd.php
index 96e39af85b..7a3f4f46ab 100644
--- a/phpBB/includes/captcha/captcha_gd.php
+++ b/phpBB/includes/captcha/captcha_gd.php
@@ -77,7 +77,7 @@ class captcha
 		{
 			$denom = ($code_len - $i);
 			$denom = max(1.3, $denom);
-			$offset[$i] = mt_rand(0, (1.5 * $width_avail) / $denom);
+			$offset[$i] = mt_rand(0, (int) round((1.5 * $width_avail) / $denom));
 			$width_avail -= $offset[$i];
 		}