From 13c4d654db424e2c2a2362de2c0df1f9800372a0 Mon Sep 17 00:00:00 2001
From: asofold <asofold@web.de>
Date: Mon, 1 Oct 2012 02:59:02 +0200
Subject: [PATCH] Use char[] for captcha generation.

---
 src/fr/neatmonster/nocheatplus/checks/chat/Captcha.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/fr/neatmonster/nocheatplus/checks/chat/Captcha.java b/src/fr/neatmonster/nocheatplus/checks/chat/Captcha.java
index da29e796..2d6ad0a2 100644
--- a/src/fr/neatmonster/nocheatplus/checks/chat/Captcha.java
+++ b/src/fr/neatmonster/nocheatplus/checks/chat/Captcha.java
@@ -61,10 +61,11 @@ public class Captcha extends AsyncCheck implements ICaptcha{
     @Override
     public void generateCaptcha(ChatConfig cc, ChatData data, boolean reset) {
     	if (reset) data.captchTries = 0;
-    	data.captchaGenerated = "";
+    	final char[] chars = new char[cc.captchaLength];
         for (int i = 0; i < cc.captchaLength; i++)
-            data.captchaGenerated += cc.captchaCharacters.charAt(random
+            chars[i] = cc.captchaCharacters.charAt(random
                     .nextInt(cc.captchaCharacters.length()));
+        data.captchaGenerated = new String(chars);
 	}
     
     @Override