pack-objects: refactor code into compute_layer_order()

diff --git a/protocol.h b/protocol.h
index 1b2bc94a8d9f3c008bb76a0dfcdd640f99756fe3..2ad35e433c1e6f5f0d08c9d7500dc35782429f51 100644 (file)
--- a/protocol.h
+++ b/protocol.h
@@ -5,6 +5,7 @@ enum protocol_version {
        protocol_unknown_version = -1,
        protocol_v0 = 0,
        protocol_v1 = 1,
+       protocol_v2 = 2,
 };
 
 /*