Const'ify pointer

src/tag/tagselectdialog.cpp

@@ -32,6 +32,7 @@ TagSelectDialog::TagSelectDialog(QWidget *parent, int numberOfSelectedMessages,
     : QDialog(parent)
     , mNumberOfSelectedMessages(numberOfSelectedMessages)
     , mSelectedItem(selectedItem)
+    , mListTag(new QListWidget(this))
 {
     setWindowTitle(i18nc("@title:window", "Select Tags"));
     auto mainLayout = new QVBoxLayout(this);
@@ -54,7 +55,6 @@ TagSelectDialog::TagSelectDialog(QWidget *parent, int numberOfSelectedMessages,
     auto vbox = new QVBoxLayout;
     mainWidget->setLayout(vbox);
     vbox->setContentsMargins({});
-    mListTag = new QListWidget(this);
     mListTag->setObjectName(QStringLiteral("listtag"));
     auto listWidgetSearchLine = new KListWidgetSearchLine(this, mListTag);
     listWidgetSearchLine->setObjectName(QStringLiteral("searchline"));

src/tag/tagselectdialog.h

@@ -39,7 +39,7 @@ private:
     Akonadi::Tag::List mCurrentSelectedTags;
     QVector<MailCommon::Tag::Ptr> mTagList;
     QList<KActionCollection *> mActionCollectionList;
-    QListWidget *mListTag = nullptr;
+    QListWidget *const mListTag;
 };
 
 #endif /* TAGSELECTDIALOG_H */