message: Fix variable shadowing in key.cpp
  bitnodes.cpp:308:33: warning: declaration shadows a local variable [-Wshadow]
  const UniValue &result = find_value(o, "node");
  ^
  bitnodes.cpp:296:25: note: previous declaration is here
  const UniValue &result = find_value(reply, "results");
diff: @@ -280,13 +280,13 @@ bool CKey::Derive(CKey &keyChild, ChainCode &ccChild, unsigned int nChild, const
  return ret;
  }
  -bool CExtKey::Derive(CExtKey &out, unsigned int nChild) const
  +bool CExtKey::Derive(CExtKey &out, unsigned int _nChild) const
  {
  out.nDepth = nDepth + 1;
  CKeyID id = key.GetPubKey().GetID();
  memcpy(&out.vchFingerprint[0], &id, 4);
  - out.nChild = nChild;
  - return key.Derive(out.key, out.chaincode, nChild, chaincode);
  + out.nChild = _nChild;
  + return key.Derive(out.key, out.chaincode, _nChild, chaincode);
  }
  void CExtKey::SetMaster(const unsigned char *seed, unsigned int nSeedLen)
  