From 44d085af6c9bfd9113d9055eb3f1deb686c6f63e Mon Sep 17 00:00:00 2001
From: belugas <belugas@openttd.org>
Date: Thu, 24 Jan 2008 18:28:52 +0000
Subject: [PATCH] (svn r11977) -Fix(r11976): not a typo, not a bug.  Just a
 removal that should have been done. Would help to compile first...

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

diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index 13774b41af..0532a16040 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -2145,7 +2145,7 @@ static void ChangeIndustryProduction(Industry *i, bool monthly)
 
 	/* Increase or Decreasing the production level if needed */
 	if (increment != 0) {
-		if !(increment < 0 && i->prod_level == 4) {
+		if (increment < 0 && i->prod_level == 4) {
 			closeit = true;
 		} else {
 			i->prod_level = ClampU(i->prod_level + increment, 4, 0x80);