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-rw-r--r--tools/assistant/tools/assistant/helpviewer.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/assistant/tools/assistant/helpviewer.h b/tools/assistant/tools/assistant/helpviewer.h
index 0bfe9042c5..9e8f5f45f0 100644
--- a/tools/assistant/tools/assistant/helpviewer.h
+++ b/tools/assistant/tools/assistant/helpviewer.h
@@ -53,7 +53,7 @@ class AbstractHelpViewer
{
public:
AbstractHelpViewer();
- ~AbstractHelpViewer();
+ virtual ~AbstractHelpViewer();
virtual QFont viewerFont() const = 0;
virtual void setViewerFont(const QFont &font) = 0;