[1704] Make InterprocessSyncFile's destructor virtual

diff --git a/src/lib/util/interprocess_sync_file.h b/src/lib/util/interprocess_sync_file.h
index c288cb07653681412deda1d7da7fe3b3ecbfc018..cf8f4f147850d243910eafbcf08cdaf26dba271b 100644 (file)
--- a/src/lib/util/interprocess_sync_file.h
+++ b/src/lib/util/interprocess_sync_file.h
@@ -40,7 +40,7 @@ public:
     {}
 
     /// \brief Destructor
-    ~InterprocessSyncFile();
+    virtual ~InterprocessSyncFile();
 
 protected:
     bool lock();