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-rw-r--r--src/gui/windows/selldialog.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/gui/windows/selldialog.h b/src/gui/windows/selldialog.h
index 81aaabbb2..471ae74f2 100644
--- a/src/gui/windows/selldialog.h
+++ b/src/gui/windows/selldialog.h
@@ -122,8 +122,7 @@ class SellDialog notfinal : public Window,
*/
void updateButtonsAndLabels();
- virtual void sellAction(const ActionEvent &event A_UNUSED)
- { }
+ virtual void sellAction(const ActionEvent &event) = 0;
std::string mNick;