QtHelp: Make QHelpCollectionDetails destructor virtual

Class is not final, nor do we prevent inheritance in any other way.

This amends 7c39470f17, which got added for 5.13.

Change-Id: Idbf82b58e5bd54b21ec2615cb2ebdc6cb5ece4a8
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/assistant/help/qhelpcollectiondetails.h b/src/assistant/help/qhelpcollectiondetails.h
index df9dfa7d8..494f157d1 100644
--- a/src/assistant/help/qhelpcollectiondetails.h
+++ b/src/assistant/help/qhelpcollectiondetails.h
@@ -54,7 +54,7 @@ public:
     QHelpCollectionDetails();
     QHelpCollectionDetails(const QHelpCollectionDetails &other);
     QHelpCollectionDetails(QHelpCollectionDetails &&other);
-    ~QHelpCollectionDetails();
+    virtual ~QHelpCollectionDetails();
 
     QHelpCollectionDetails &operator=(const QHelpCollectionDetails &other);
     QHelpCollectionDetails &operator=(QHelpCollectionDetails &&other);