Add a linux specific patch for sub process handling
Add a linux specific patch for sub process handling

ershad/shipit-engine,ershad/shipit-engine,Shopify/shipit-engine,Shopify/shipit-engine,ershad/shipit-engine,Shopify/shipit-engine,ershad/shipit-engine,Shopify/shipit-engine,perobertson/shipit-engine,perobertson/shipit-engine,perobertson/shipit-engine,perobertson/shipit-engine,ershad/shipit-engine,perobertson/shipit-engine,Shopify/shipit-engine