savegame ex.: use ranged instead of indexed loops

Modernizes the code, and fixes qsizetype/int mismatch.

Task-number: QTBUG-108857
Change-Id: Id4262ee0bcb673d62135a81c30976903eef3e5e2
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
(cherry picked from commit 44933343937d7a6d9f6afe1f8e0b0f93a387b100)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/corelib/serialization/savegame/game.cpp b/examples/corelib/serialization/savegame/game.cpp
index 111fbfc6ea..a2427ee124 100644
--- a/examples/corelib/serialization/savegame/game.cpp
+++ b/examples/corelib/serialization/savegame/game.cpp
@@ -121,8 +121,8 @@ void Game::read(const QJsonObject &json)
         QJsonArray levelArray = json["levels"].toArray();
         mLevels.clear();
         mLevels.reserve(levelArray.size());
-        for (int levelIndex = 0; levelIndex < levelArray.size(); ++levelIndex) {
-            QJsonObject levelObject = levelArray[levelIndex].toObject();
+        for (const QJsonValue &v : levelArray) {
+            QJsonObject levelObject = v.toObject();
             Level level;
             level.read(levelObject);
             mLevels.append(level);