Avoid unused parameter warning.

git-svn-id: http://www.openvolumemesh.org/svnrepo/OpenVolumeMesh/trunk@129 66977474-1d4b-4f09-8fe9-267525286df2

src/OpenVolumeMesh/Core/PropertyPtrT.cc

@@ -51,6 +51,7 @@ namespace OpenVolumeMesh {
 template <class PropT, class HandleT>
 PropertyPtr<PropT,HandleT>::PropertyPtr(PropT* _ptr, ResourceManager& _resMan, HandleT _handle) :
     ptr::shared_ptr<PropT>(_ptr), BaseProperty(_resMan) {
+    ptr::shared_ptr<PropT>::get()->set_handle(_handle);
 }
 
 template <class PropT, class HandleT>