message: Add wabt to help message for wasm-runtime option
diff: @@ -212,7 +212,7 @@ void chain_plugin::set_program_options(options_description& cli, options_descrip
  ("blocks-dir", bpo::value<bfs::path>()->default_value("blocks"),
  "the location of the blocks directory (absolute path or relative to application data dir)")
  ("checkpoint", bpo::value<vector<string>>()->composing(), "Pairs of [BLOCK_NUM,BLOCK_ID] that should be enforced as checkpoints.")
  - ("wasm-runtime", bpo::value<eosio::chain::wasm_interface::vm_type>()->value_name("wavm/binaryen"), "Override default WASM runtime")
  + ("wasm-runtime", bpo::value<eosio::chain::wasm_interface::vm_type>()->value_name("wavm/binaryen/wabt"), "Override default WASM runtime")
  ("abi-serializer-max-time-ms", bpo::value<uint32_t>()->default_value(config::default_abi_serializer_max_time_ms),
  "Override default maximum ABI serialization time allowed in ms")
  ("chain-state-db-size-mb", bpo::value<uint64_t>()->default_value(config::default_state_size / (1024 * 1024)), "Maximum size (in MiB) of the chain state database")
  