wireshark: pass OFReader to member dissectors
diff --git a/wireshark_gen/templates/_ofclass_dissector.lua b/wireshark_gen/templates/_ofclass_dissector.lua
index cc8d865..ae50d00 100644
--- a/wireshark_gen/templates/_ofclass_dissector.lua
+++ b/wireshark_gen/templates/_ofclass_dissector.lua
@@ -37,7 +37,7 @@
:: if ofclass.virtual:
-- Discriminator is ${ofclass.discriminator.name}
:: #endif
-function ${name}(buf, subtree)
+function ${name}(reader, subtree)
:: for m in ofclass.members:
:: if isinstance(m, OFTypeMember):
-- type ${m.name}