[LyX/master] Add missing override keyword

[Jean-Marc Lasgouttes]

commit b78d2a4edae4da0d20ea413c508e6420bf5eeac3
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Wed Jun 19 15:05:04 2024 +0200

    Add missing override keyword
---
 src/frontends/qt/GuiApplication.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt/GuiApplication.h b/src/frontends/qt/GuiApplication.h
index 07a8b167dd..38c3c0a6e0 100644
--- a/src/frontends/qt/GuiApplication.h
+++ b/src/frontends/qt/GuiApplication.h
@@ -114,8 +114,8 @@ public:
 	Menus & menus();
 
 	/// \returns the draw strategy used by the application
-	DrawStrategy drawStrategy() const;
-	virtual docstring drawStrategyDescription() const override;
+	DrawStrategy drawStrategy() const override;
+	docstring drawStrategyDescription() const override;
 
 	/// \name Methods inherited from QApplication class
 	//@{