Rename variable it to idx

* because it's an index not an iterator
* and it will shadows other variable in the method

apps/lib/kateviewmanager.cpp

@@ -1365,14 +1365,14 @@ QString KateViewManager::saveSplitterConfig(KateSplitter *s, KConfigBase *config
     // special case: root splitter might have only one child (just for info)
     QStringList childList;
     const auto sizes = s->sizes();
-    for (int it = 0; it < s->count(); ++it) {
+    for (int idx = 0; idx < s->count(); ++idx) {
         // skip empty sized invisible ones, if not last one, we need one thing at least
-        if ((sizes[it] == 0) && ((it + 1 < s->count()) || !childList.empty())) {
+        if ((sizes[idx] == 0) && ((idx + 1 < s->count()) || !childList.empty())) {
             continue;
         }
 
         // For KateViewSpaces, ask them to save the file list.
-        auto obj = s->widget(it);
+        auto obj = s->widget(idx);
         if (auto kvs = qobject_cast<KateViewSpace *>(obj)) {
             auto it = std::find(m_viewSpaceList.begin(), m_viewSpaceList.end(), kvs);
             int idx = (int)std::distance(m_viewSpaceList.begin(), it);