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/components/itemlibrary/itemlibraryassetimportdialog.cpp b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimportdialog.cpp
index 0beb5bce72..62999ba193 100644
--- a/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimportdialog.cpp
+++ b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimportdialog.cpp
@@ -125,7 +125,7 @@ ItemLibraryAssetImportDialog::ItemLibraryAssetImportDialog(const QStringList &im
     QString candidatePath = targetDir + defaultAssetFolder + quick3DFolder;
     int candidatePriority = 5;
 
-    for (auto importPath : qAsConst(importPaths)) {
+    for (const auto &importPath : qAsConst(importPaths)) {
         if (importPath.startsWith(targetDir)) {
             const bool isDefaultFolder = importPath.endsWith(defaultAssetFolder);
             const QString assetFolder = importPath + quick3DFolder;