message: Fix variable shadowing in netaddress.cpp
  netaddress.cpp:173:18: warning: declaration shadows a local variable [-Wshadow]
  uint32_t ipNone = INADDR_NONE;
  ^
  netaddress.cpp:162:19: note: previous declaration is here
  unsigned char ipNone[16] = {};
  ^
diff: @@ -159,8 +159,8 @@ bool CNetAddr::IsValid() const
  return false;
  // unspecified IPv6 address (::/128)
  - unsigned char ipNone[16] = {};
  - if (memcmp(ip, ipNone, 16) == 0)
  + unsigned char _ipNone[16] = {};
  + if (memcmp(ip, _ipNone, 16) == 0)
  return false;
  // documentation IPv6 address
  