0030569: Foundation Classes - NCollection_Shared lacks inclusion of NCollection_Defin...

[occt.git] / src / Standard / Standard_Mutex.hxx

diff --git a/src/Standard/Standard_Mutex.hxx b/src/Standard/Standard_Mutex.hxx
index c7d3128..d5042cd 100644 (file)
--- a/src/Standard/Standard_Mutex.hxx
+++ b/src/Standard/Standard_Mutex.hxx
@@ -155,7 +155,7 @@ public:
 private:
 
   //! Callback method to unlock the mutex if OCC exception or signal is raised
-  virtual void DestroyCallback ();
+  Standard_EXPORT virtual void DestroyCallback() Standard_OVERRIDE;
   
   //! This method should not be called (prohibited).
   Standard_Mutex (const Standard_Mutex &);