grpc/include/grpcpp/impl/codegen/server_interface.h.rej

--- include/grpcpp/impl/codegen/server_interface.h
+++ include/grpcpp/impl/codegen/server_interface.h
@@ -28,10 +28,13 @@
 #include <grpcpp/impl/codegen/rpc_service_method.h>
 #include <grpcpp/impl/codegen/server_context.h>
 
+namespace grpc_impl {
+class Channel;
+}
+
 namespace grpc {
 
 class AsyncGenericService;
-class Channel;
 class GenericServerContext;
 class ServerCompletionQueue;
 class ServerContext;