message: fix compilation on linux/android
diff: @@ -412,7 +412,7 @@ public:
  void RemoveWrapper(RealResourceType real);
  protected:
  - friend typename InitialContentData;
  + friend InitialContentData;
  // 'interface' to implement by derived classes
  virtual bool SerialisableResource(ResourceId id, RecordType *record) = 0;
  virtual ResourceId GetID(WrappedResourceType res) = 0;
  