message: Fix format.
diff: @@ -127,7 +127,7 @@ extern "C" WasmResult proxy_get_metric(uint32_t metric_id, uint64_t* result);
  extern "C" WasmResult proxy_set_effective_context(uint32_t effective_context_id);
  extern "C" WasmResult proxy_done();
  extern "C" WasmResult proxy_call_foreign_function(const char* function_name,
  - size_t funtion_name_size, const char* arguments,
  + size_t function_name_size, const char* arguments,
  size_t arguments_size, char** results,
  size_t* results_size);
  