fixed compilation error in GCC 4.9

YACReaderLibrary/comic_vine/api_key_dialog.h

@@ -0,0 +1,31 @@
+#ifndef API_KEY_DIALOG_H
+#define API_KEY_DIALOG_H
+
+#include <QDialog>
+
+class QPushButton;
+class QLineEdit;
+class QSettings;
+
+class ApiKeyDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit ApiKeyDialog(QWidget *parent = 0);
+    ~ApiKeyDialog();
+signals:
+
+public slots:
+
+protected slots:
+    void enableAccept(const QString & text);
+    void saveApiKey();
+
+protected:
+    QPushButton * acceptButton;
+    QPushButton * cancelButton;
+    QLineEdit * edit;
+    QSettings * settings;
+};
+
+#endif // API_KEY_DIALOG_H