From 10e17c30a38535e571e28d2a56046c76bda39a97 Mon Sep 17 00:00:00 2001
From: glx <glx@openttd.org>
Date: Fri, 7 Dec 2007 17:42:15 +0000
Subject: [PATCH] (svn r11586) -Fix: make another widget 'accessor' function
 const when it should be const.

---
 src/window.cpp | 2 +-
 src/window.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/window.cpp b/src/window.cpp
index e22c4c87e6..41dd28df97 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -134,7 +134,7 @@ void Window::RaiseButtons()
 	}
 }
 
-void Window::InvalidateWidget(byte widget_index)
+void Window::InvalidateWidget(byte widget_index) const
 {
 	const Widget *wi = &this->widget[widget_index];
 
diff --git a/src/window.h b/src/window.h
index e98d99d248..7e5ff8d2c6 100644
--- a/src/window.h
+++ b/src/window.h
@@ -297,7 +297,7 @@ struct Window {
 	void CDECL SetWidgetsDisabledState(bool disab_stat, int widgets, ...);
 	void CDECL SetWidgetsHiddenState(bool hidden_stat, int widgets, ...);
 	void CDECL SetWidgetsLoweredState(bool lowered_stat, int widgets, ...);
-	void InvalidateWidget(byte widget_index);
+	void InvalidateWidget(byte widget_index) const;
 };
 
 struct querystr_d {