Add missing QToolButton forward declaration (Qt client)

diff --git a/qt/filterbar.h b/qt/filterbar.h
index 9c828c96a0db7034b08d903f1c7e38841db7217b..6dc12abec67ace610d9f09aad25967ab8ff63a71 100644 (file)
--- a/qt/filterbar.h
+++ b/qt/filterbar.h
@@ -20,6 +20,7 @@ class QLineEdit;
 class QPaintEvent;
 class QStandardItemModel;
 class QTimer;
+class QToolButton;
 
 class Prefs;
 class TorrentFilter;