message: net: Add IPv4ToString (we already have IPv6ToString)
diff: @@ -551,6 +551,11 @@ enum Network CNetAddr::GetNetwork() const
  return m_net;
  }
  +static std::string IPv4ToString(Span<const uint8_t> a)
  +{
  + return strprintf("%u.%u.%u.%u", a[0], a[1], a[2], a[3]);
  +}
  +
  static std::string IPv6ToString(Span<const uint8_t> a)
  {
  assert(a.size() == ADDR_IPV6_SIZE);
  @@ -582,7 +587,7 @@ std::string CNetAddr::ToStringIP() const
  return std::string(name);
  }
  if (m_net == NET_IPV4) {
  - return strprintf("%u.%u.%u.%u", m_addr[0], m_addr[1], m_addr[2], m_addr[3]);
  + return IPv4ToString(m_addr);
  }
  return IPv6ToString(m_addr);
  }
  