Remove a useless const qualifier

diff --git a/source/core/maputils.h b/source/core/maputils.h
index ecee0fbea45955dbf9bef8f8bf296bb387b3e414..2495a1e29b41854e62850324d80fa358ffe2e152 100644 (file)
--- a/source/core/maputils.h
+++ b/source/core/maputils.h
@@ -75,7 +75,7 @@ const typename T::mapped_type &get_item(const T &map, const typename T::key_type
 }
 
 template<typename T>
-const typename T::iterator insert_unique(T &map, const typename T::key_type &key, const typename T::mapped_type &item)
+typename T::iterator insert_unique(T &map, const typename T::key_type &key, const typename T::mapped_type &item)
 {
        if(map.count(key))
                throw key_error(key);