UI: Tray Menu: Tweak "Quit" button's icon

src/ui/form/tray/trayicon.cpp

@@ -415,7 +415,7 @@ void TrayIcon::setupTrayMenu()
 
     m_menu->addSeparator();
 
-    m_quitAction = addAction(m_menu, ":/icons/power_off.png", this, SLOT(quitProgram()));
+    m_quitAction = addAction(m_menu, ":/icons/standby.png", this, SLOT(quitProgram()));
     addHotKey(m_quitAction, iniUser()->hotKeyQuit());
 
     m_trayMenuAction = addAction(m_menu, QString(), this, SLOT(switchTrayMenu(bool)));

src/ui/fort_icons.qrc

@@ -47,12 +47,12 @@
     <file>icons/page_copy.png</file>
     <file>icons/pencil.png</file>
     <file>icons/play.png</file>
-    <file>icons/power_off.png</file>
     <file>icons/recycle.png</file>
     <file>icons/road_sign.png</file>
     <file>icons/save_as.png</file>
     <file>icons/scull.png</file>
     <file>icons/server_components.png</file>
+    <file>icons/standby.png</file>
     <file>icons/tick.png</file>
     <file>icons/time.png</file>
     <file>icons/traffic_lights.png</file>