Quick: use const (and const APIs) more

For CoW types, prefer const methods to avoid needless detach()ing.

Change-Id: I270cdc6eb8c5946f5c20b379bbb7c60f0ba518eb
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/quick/scenegraph/coreapi/qsgnode.cpp b/src/quick/scenegraph/coreapi/qsgnode.cpp
index c0967bcb09..2211f88973 100644
--- a/src/quick/scenegraph/coreapi/qsgnode.cpp
+++ b/src/quick/scenegraph/coreapi/qsgnode.cpp
@@ -1268,7 +1268,7 @@ QSGRootNode::QSGRootNode()
 QSGRootNode::~QSGRootNode()
 {
     while (!m_renderers.isEmpty())
-        m_renderers.last()->setRootNode(0);
+        m_renderers.constLast()->setRootNode(0);
     destroy(); // Must call destroy() here because markDirty() casts this to QSGRootNode.
 }