File boost-asio-1-66.patch of Package dbus-cpp

diff --git a/include/core/dbus/asio/executor.h b/include/core/dbus/asio/executor.h
index d1f043e..7cbece2 100644
--- a/include/core/dbus/asio/executor.h
+++ b/include/core/dbus/asio/executor.h
@@ -26,7 +26,11 @@ namespace boost
 {
 namespace asio
 {
+#if BOOST_VERSION >= 106600
+class io_context;
+#else
 class io_service;
+#endif
 }
 }