QmlDesigner: performance-for-range-copy

Avoid copying the loop variable on each iteration if a const reference
would suffice.

For QPointers<>, this change only adds a const.

Change-Id: I5abe7d793cd46859a9a4f9304ec1bd41f899d72c
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp b/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
index 1fe99825c37..ff63f6522c5 100644
--- a/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
+++ b/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
@@ -144,7 +144,7 @@ void FpsLabelAction::fpsHandler(quint16 fpsValues[8])
         fpsText = fpsText.arg("--");
     else
         fpsText = fpsText.arg(lastValidFrames);
-    for (QPointer<QLabel> label : fpsHandlerLabelList) {
+    for (const QPointer<QLabel> label : fpsHandlerLabelList) {
         if (label)
             label->setText(fpsText);
     }