(harmless) Borland release build warning fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60348 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/ole/activex.cpp

@@ -904,9 +904,13 @@ wxActiveXContainer::~wxActiveXContainer()
 }
 
 // VZ: we might want to really report an error instead of just asserting here
-#define CHECK_HR(hr) \
-    wxASSERT_LEVEL_2_MSG( SUCCEEDED(hr), \
-            wxString::Format("HRESULT = %X", (unsigned)(hr)) )
+#if wxDEBUG_LEVEL
+    #define CHECK_HR(hr) \
+        wxASSERT_LEVEL_2_MSG( SUCCEEDED(hr), \
+                wxString::Format("HRESULT = %X", (unsigned)(hr)) )
+#else
+    #define CHECK_HR(hr) wxUnusedVar(hr)
+#endif
 
 //---------------------------------------------------------------------------
 // wxActiveXContainer::CreateActiveX