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/environmentvariablesoperation.h b/src/libs/installer/environmentvariablesoperation.h
index 3c5252bc6..dea2d40c7 100644
--- a/src/libs/installer/environmentvariablesoperation.h
+++ b/src/libs/installer/environmentvariablesoperation.h
@@ -1,6 +1,6 @@
 /**************************************************************************
 **
-** Copyright (C) 2017 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.
@@ -39,10 +39,10 @@ class INSTALLER_EXPORT EnvironmentVariableOperation : public Operation
 public:
     explicit EnvironmentVariableOperation(PackageManagerCore *core);
 
-    void backup();
-    bool performOperation();
-    bool undoOperation();
-    bool testOperation();
+    void backup() override;
+    bool performOperation() override;
+    bool undoOperation() override;
+    bool testOperation() override;
 };
 
 }