qt6: use auto & in the lambda in the jsonhelper.h

In qt6, QJsonArrayRef cannot be implicitly converted to QVariant, but we
don't need that, we can simply call .toString() on the QJsonArrayRef
object.

Change-Id: I8cf394133f12946b195211df217e9d42c8d14fa5
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/corelib/tools/jsonhelper.h b/src/lib/corelib/tools/jsonhelper.h
index 991d6bd6c..e695bd465 100644
--- a/src/lib/corelib/tools/jsonhelper.h
+++ b/src/lib/corelib/tools/jsonhelper.h
@@ -62,7 +62,7 @@ template<> inline QStringList fromJson(const QJsonValue &v)
     const QJsonArray &jsonList = v.toArray();
     QStringList stringList;
     std::transform(jsonList.begin(), jsonList.end(), std::back_inserter(stringList),
-                   [](const QVariant &v) { return v.toString(); });
+                   [](const auto &v) { return v.toString(); });
     return stringList;
 }
 template<> inline QVariantMap fromJson(const QJsonValue &v) { return v.toObject().toVariantMap(); }