Deprecation warning

[daurnimator]

> node-gyp rebuild

make: Entering directory '/home/daurnimator/someproject/node_modules/socketwatcher/build'
  CXX(target) Release/obj.target/socketwatcher/socket_watcher.o
../socket_watcher.cpp: In static member function ‘static void SocketWatcher::New(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../socket_watcher.cpp:104:49: warning: ‘v8::Local<v8::Object> v8::Function::NewInstance() const’ is deprecated: Use maybe version [-Wdeprecated-declarations]
     info.GetReturnValue().Set(cons->NewInstance());
                                                 ^
In file included from /home/daurnimator/.node-gyp/7.10.0/include/node/v8.h:26:0,
                 from /home/daurnimator/.node-gyp/7.10.0/include/node/node.h:42,
                 from ../../nan/nan.h:49,
                 from ../socket_watcher.hpp:8,
                 from ../socket_watcher.cpp:5:
/home/daurnimator/.node-gyp/7.10.0/include/node/v8.h:3662:52: note: declared here
   V8_DEPRECATED("Use maybe version", Local<Object> NewInstance() const);
                                                    ^
/home/daurnimator/.node-gyp/7.10.0/include/node/v8config.h:329:3: note: in definition of macro ‘V8_DEPRECATED’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
  SOLINK_MODULE(target) Release/obj.target/socketwatcher.node
  COPY Release/socketwatcher.node
make: Leaving directory '/home/daurnimator/someproject/node_modules/socketwatcher/build'