message: Updated comment, corrected precision
diff: #include <eosio/chain/types.hpp>
  #include <eosio/chain/symbol.hpp>
  -/// eos with 8 digits of precision
  +/// eos with 4 digits of precision
  #define EOS_SYMBOL_VALUE (int64_t(4) | (uint64_t('E') << 8) | (uint64_t('O') << 16) | (uint64_t('S') << 24))
  static const eosio::chain::symbol EOS_SYMBOL(EOS_SYMBOL_VALUE);
  