fix merge mishap

Author: jll63

include/yorel/yomm2/detail/compiler.hpp

@@ -235,8 +235,8 @@ struct compiler : detail::generic_compiler {
     using policy_type = Policy;
     using type_index_type = decltype(Policy::type_index(0));
 
-    typename aggregate_reports<
-        types<update_report>, typename Policy::facets>::type report;
+    typename detail::aggregate_reports<
+        detail::types<update_report>, typename Policy::facets>::type report;
 
     std::unordered_map<type_index_type, class_*> class_map;