--- common/protocol.proto	2010-11-08 11:47:19.000000000 -0500
+++ common/protocol.proto.new	2011-04-18 13:54:03.725337006 -0400
@@ -19,6 +19,8 @@
 
 package OstProto;
 
+option cc_generic_services = true;
+
 message StreamId {
     required uint32 id = 1;
 }