1 files changed, 5 insertions, 1 deletions
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index f1d0aa48ef..cbec73a882 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -31,6 +31,7 @@ class QAbstractItemView;
 class QDateTime;
 class QFont;
 class QLineEdit;
+class QProgressDialog;
 class QUrl;
 class QWidget;
 QT_END_NAMESPACE
@@ -133,7 +134,7 @@ namespace GUIUtil
         Q_OBJECT
 
     public:
-        explicit ToolTipToRichTextFilter(int size_threshold, QObject *parent = 0);
+        explicit ToolTipToRichTextFilter(int size_threshold, QObject *parent = nullptr);
 
     protected:
         bool eventFilter(QObject *obj, QEvent *evt);
@@ -248,6 +249,9 @@ namespace GUIUtil
     private:
         bool eventFilter(QObject *object, QEvent *event);
     };
+
+    // Fix known bugs in QProgressDialog class.
+    void PolishProgressDialog(QProgressDialog* dialog);
 } // namespace GUIUtil
 
 #endif // BITCOIN_QT_GUIUTIL_H