From b270ca84ba0002ae23aed3bb614e06b19c7197f5 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Sat, 23 May 2009 11:13:43 +0000
Subject: [PATCH] (svn r16395) -Fix (r16379): max sign ID can be higher than
 total number of signs

---
 src/ai/api/ai_sign.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ai/api/ai_sign.cpp b/src/ai/api/ai_sign.cpp
index dd164c6ca2..29609f29ab 100644
--- a/src/ai/api/ai_sign.cpp
+++ b/src/ai/api/ai_sign.cpp
@@ -15,7 +15,7 @@
 
 /* static */ SignID AISign::GetMaxSignID()
 {
-	return (SignID)::Sign::GetNumItems();
+	return (SignID)::Sign::GetPoolSize();
 }
 
 /* static */ bool AISign::IsValidSign(SignID sign_id)