$OpenBSD: patch-include_dbus-c++_interface_h,v 1.1.1.1 2019/03/13 10:52:51 stsp Exp $
Fix compilation failure due to 'struct' vs 'class' confusion.
Index: include/dbus-c++/interface.h
--- include/dbus-c++/interface.h.orig
+++ include/dbus-c++/interface.h
@@ -47,7 +47,7 @@ struct DXXAPI PropertyData
 
 typedef std::map<std::string, PropertyData>	PropertyTable;
 
-class IntrospectedInterface;
+struct IntrospectedInterface;
 
 class ObjectAdaptor;
 class InterfaceAdaptor;
