Fix reflect issue

libraries/chain/include/eosio/chain/block_header.hpp

@@ -58,7 +58,7 @@ namespace eosio { namespace chain {
 FC_REFLECT(eosio::chain::block_header, 
            (timestamp)(producer)(confirmed)(previous)
            (transaction_mroot)(action_mroot)
-           (producer)(schedule_version)(new_producers)(header_extensions))
+           (schedule_version)(new_producers)(header_extensions))
 
 FC_REFLECT_DERIVED(eosio::chain::signed_block_header, (eosio::chain::block_header), (producer_signature))
 FC_REFLECT(eosio::chain::header_confirmation,  (block_id)(producer)(producer_signature) )