message: fix valgrind warning trigger by gethostbyname
diff: @@ -930,11 +930,11 @@ int swoole_gethostbyname(int flags, char *name, char *addr)
  }
  if (__af == AF_INET)
  {
  - strcpy(addr, addr_list[index].v4);
  + strncpy(addr, addr_list[index].v4, sizeof (addr_list[index].v4));
  }
  else
  {
  - strcpy(addr, addr_list[index].v6);
  + strncpy(addr, addr_list[index].v6, sizeof (addr_list[index].v4));
  }
  return SW_OK;
  }
  