Add missing Q_REQUIRED_RESULT

kmail/grammarplugins/grammalecte/src/grammalectegrammarerror.h

@@ -16,8 +16,8 @@ public:
     void parse(const QJsonObject &obj, int blockindex) override;
 
 private:
-    static QStringList parseSuggestion(const QJsonObject &obj);
-    static QColor parseColor(const QJsonObject &obj);
+    Q_REQUIRED_RESULT static QStringList parseSuggestion(const QJsonObject &obj);
+    Q_REQUIRED_RESULT static QColor parseColor(const QJsonObject &obj);
 };
 Q_DECLARE_METATYPE(GrammalecteGrammarError)
 Q_DECLARE_TYPEINFO(GrammalecteGrammarError, Q_MOVABLE_TYPE);