From 5486e05f65a3fb552a214878fd15f984c7440426 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Wed, 15 Feb 2012 21:34:58 +0000
Subject: (svn r23953) -Fix [FS#5062]: When the population of a town changes
 the town view might even have to change size due to different cargo
 requirements.

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

(limited to 'src/town_cmd.cpp')

diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 986000b2d..87b55146a 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -380,7 +380,7 @@ void UpdateAllTownVirtCoords()
 static void ChangePopulation(Town *t, int mod)
 {
 	t->population += mod;
-	SetWindowDirty(WC_TOWN_VIEW, t->index);
+	InvalidateWindowData(WC_TOWN_VIEW, t->index); // Cargo requirements may appear/vanish for small populations
 	t->UpdateVirtCoord();
 
 	InvalidateWindowData(WC_TOWN_DIRECTORY, 0, 1);
-- 
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