QmlDesigner: Avoid detachs

The non const overloads of first() and last() do detach
if the reference count is higher than 1.
Therefore we use constFirst() and constLast() instead.

Change-Id: I737cfc428f1c21f16185b9b51175e181c0ec7068
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/plugins/qmldesigner/components/formeditor/anchorindicator.cpp b/src/plugins/qmldesigner/components/formeditor/anchorindicator.cpp
index 6d48240b03..6cd4be56f8 100644
--- a/src/plugins/qmldesigner/components/formeditor/anchorindicator.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/anchorindicator.cpp
@@ -89,7 +89,7 @@ void AnchorIndicator::setItems(const QList<FormEditorItem *> &itemList)
     clear();
 
     if (itemList.count() == 1) {
-        m_formEditorItem = itemList.first();
+        m_formEditorItem = itemList.constFirst();
         QmlItemNode sourceQmlItemNode = m_formEditorItem->qmlItemNode();
         if (!sourceQmlItemNode.modelNode().isRootNode()) {
             QmlAnchors qmlAnchors = sourceQmlItemNode.anchors();