[LyX/master] Initialize properly IconInfo struct

[Jean-Marc Lasgouttes]

commit b1efc5a48e69c6f65dc01c4d58c97f0719c02483
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Fri Jan 29 18:57:13 2021 +0100

    Initialize properly IconInfo struct
    
    Spotted by coverity.
---
 src/frontends/qt/GuiApplication.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt/GuiApplication.h b/src/frontends/qt/GuiApplication.h
index 2622c71..148d20f 100644
--- a/src/frontends/qt/GuiApplication.h
+++ b/src/frontends/qt/GuiApplication.h
@@ -269,9 +269,9 @@ struct IconInfo {
 	/// Absolute path to icon file
 	QString filepath;
 	/// Swap the icon in RTL mode
-	bool swap;
+	bool swap = false;
 	/// Invert the icon in dark mode
-	bool invert;
+	bool invert = false;
 };
 
 /// \return the pixmap for the given path, name and extension.