message: buyram: don't charge fee to eosio account
diff: @@ -117,7 +117,7 @@ namespace eosiosystem {
  { payer, N(eosio.ram), quant_after_fee, std::string("buy ram") } );
  }
  - if( fee.amount > 0 ) {
  + if( payer != N(eosio) && fee.amount > 0 ) {
  INLINE_ACTION_SENDER(eosio::token, transfer)( N(eosio.token), {payer,N(active)},
  { payer, N(eosio.ramfee), fee, std::string("ram fee") } );
  }
  