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-rw-r--r--src/window.cpp2
-rw-r--r--src/window.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/window.cpp b/src/window.cpp
index e22c4c87e..41dd28df9 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 e98d99d24..7e5ff8d2c 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 {