Fix incorrect type in a range-for loop

diff --git a/source/collection.h b/source/collection.h
index 254c7b675c88c5bfc39bc11da277be725d0b9e6d..bc2a591e3be356bb74a01a36c41d6127a5714f59 100644 (file)
--- a/source/collection.h
+++ b/source/collection.h
@@ -507,8 +507,8 @@ typename CollectionItemTypeChooser<T>::Type &Collection::add_type()
 template<typename T>
 typename CollectionItemTypeChooser<T>::Type &Collection::modify_type()
 {
-       for(CollectionItemTypeBase *t: types)
-               if(CollectionItemType<T> *tt = dynamic_cast<CollectionItemType<T> *>(t))
+       for(const auto &t: types)
+               if(CollectionItemType<T> *tt = dynamic_cast<CollectionItemType<T> *>(t.get()))
                        return *tt;
 
        throw std::logic_error("type not found in collection");