Build problem with node@8

[sarkiroka]

`> node-gyp rebuild

gyp WARN download NVM_NODEJS_ORG_MIRROR is deprecated and will be removed in node-gyp v4, please use NODEJS_ORG_MIRROR
gyp WARN download NVM_NODEJS_ORG_MIRROR is deprecated and will be removed in node-gyp v4, please use NODEJS_ORG_MIRROR
gyp WARN download NVM_NODEJS_ORG_MIRROR is deprecated and will be removed in node-gyp v4, please use NODEJS_ORG_MIRROR
make: Entering directory /ewui/node_modules/time/build' CXX(target) Release/obj.target/time/src/time.o SOLINK_MODULE(target) Release/obj.target/time.node COPY Release/time.node make: Leaving directory /ewui/node_modules/time/build'
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN [email protected] No description
npm WARN [email protected] No repository field.

• [email protected]
  added 5 packages in 1.93s
  `

node -v v8.9.0