xcb: Use std::move and pass argument by rvalue reference

It will avoid a creation of temporary object and avoid copying.

Change-Id: Ifae5f6f9e36bcb07f4bacc31f151f8adcfa621a3
Reviewed-by: Anton Kudryavtsev <antkudr@mail.ru>
Reviewed-by: Gatis Paeglis <gatis.paeglis@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/plugins/platforms/xcb/qxcbscreen.h b/src/plugins/platforms/xcb/qxcbscreen.h
index 7f22a8e4db..be6c45e415 100644
--- a/src/plugins/platforms/xcb/qxcbscreen.h
+++ b/src/plugins/platforms/xcb/qxcbscreen.h
@@ -79,7 +79,7 @@ public:
     QXcbScreen *screenAt(const QPoint &pos) const;
 
     QList<QPlatformScreen *> screens() const { return m_screens; }
-    void setScreens(QList<QPlatformScreen *> sl) { m_screens = sl; }
+    void setScreens(QList<QPlatformScreen *> &&sl) { m_screens = std::move(sl); }
     void removeScreen(QPlatformScreen *s) { m_screens.removeOne(s); }
     void addScreen(QPlatformScreen *s);
     void setPrimaryScreen(QPlatformScreen *s);