Make 'override' specifier usage consistent

Add where missing. Replace occurrences of Q_DECL_OVERRIDE macro,
building IFW requires a C++11 compatible compiler so the language
specifier is preferred.

Change-Id: Idb75e2813d26b9da85e03891f0ae9537c6524c56
Reviewed-by: Katja Marttila <katja.marttila@qt.io>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/libs/installer/installiconsoperation.h b/src/libs/installer/installiconsoperation.h
index 7a4d1cc90..e7a8dd871 100644
--- a/src/libs/installer/installiconsoperation.h
+++ b/src/libs/installer/installiconsoperation.h
@@ -1,6 +1,6 @@
 /**************************************************************************
 **
-** Copyright (C) 2020 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Installer Framework.
@@ -41,10 +41,10 @@ class INSTALLER_EXPORT InstallIconsOperation : public QObject, public Operation
 public:
     explicit InstallIconsOperation(PackageManagerCore *core);
 
-    void backup();
-    bool performOperation();
-    bool undoOperation();
-    bool testOperation();
+    void backup() override;
+    bool performOperation() override;
+    bool undoOperation() override;
+    bool testOperation() override;
 
 Q_SIGNALS:
     void outputTextChanged(const QString &progress);