Add missing Q_REQUIRED_RESULT

kaddressbook/plugins/checkgravatar/gravatar/job/gravatarupdatejob.h

@@ -25,10 +25,10 @@ public:
     void start();
     bool canStart() const;
 
-    QString email() const;
+    Q_REQUIRED_RESULT QString email() const;
     void setEmail(const QString &email);
 
-    Akonadi::Item item() const;
+    Q_REQUIRED_RESULT Akonadi::Item item() const;
     void setItem(const Akonadi::Item &item);
 
 Q_SIGNALS:

kaddressbook/plugins/checkgravatar/gravatar/widgets/gravatarupdatedialog.h

@@ -19,14 +19,14 @@ public:
 
     void setEmail(const QString &email);
 
-    QPixmap pixmap() const;
+    Q_REQUIRED_RESULT QPixmap pixmap() const;
     void setOriginalPixmap(const QPixmap &pix);
 
     void setOriginalUrl(const QUrl &url);
 
-    QUrl resolvedUrl() const;
+    Q_REQUIRED_RESULT QUrl resolvedUrl() const;
 
-    bool saveUrl() const;
+    Q_REQUIRED_RESULT bool saveUrl() const;
 
 private:
     void slotSaveImage();

kaddressbook/plugins/checkgravatar/gravatar/widgets/gravatarupdatewidget.h

@@ -25,9 +25,9 @@ public:
     ~GravatarUpdateWidget() override;
 
     void setEmail(const QString &email);
-    QPixmap pixmap() const;
+    Q_REQUIRED_RESULT QPixmap pixmap() const;
     void setOriginalPixmap(const QPixmap &pix);
-    QUrl resolvedUrl() const;
+    Q_REQUIRED_RESULT QUrl resolvedUrl() const;
 
     void setOriginalUrl(const QUrl &url);