Manually override linux_use_gold_flags in toolchain.gypi
Manually override linux_use_gold_flags in toolchain.gypi

This appears to be the only option for now to get this to compile on
certain OS/architecture combinations (Docker Hub being one of them).

Hopefully this is just a temporary solution.

See https://github.com/nodejs/node/issues/4212 and
https://github.com/nodejs/node/issues/6603 for more details.

mhart/alpine-node