message: add struct flags
diff: @@ -21,6 +21,12 @@ namespace eosio {
  * @{
  */
  + /**
  + * \struct Stores information for owner of asset
  + *
  + * @brief Stores information for owner of asset
  + */
  +
  struct asset {
  /**
  * The amount of the asset
  @@ -28,6 +34,7 @@ namespace eosio {
  * @brief The amount of the asset
  */
  int64_t amount;
  +
  /**
  * The symbol name of the asset
  *
  @@ -364,7 +371,7 @@ namespace eosio {
  };
  /**
  - * Extended asset which stores the information of the owner of the asset
  + * \struct Extended asset which stores the information of the owner of the asset
  *
  * @brief Extended asset which stores the information of the owner of the asset
  */
  