fix CPU_THREADS/CPU_THREAD_VALID/MAKE_JOBS prefix
fix CPU_THREADS/CPU_THREAD_VALID/MAKE_JOBS prefix

ljharb/nvm,Theodeus/nvm,edwmurph/nvm,dfackler/nvm,PeterDaveHelloKitchen/nvm,lukechilds/nvm,lukechilds/nvm,tlevine/nvm,creationix/nvm,PeterDaveHello/nvm,PeterDaveHelloKitchen/nvm,evocateur/nvm,edwmurph/nvm,dfackler/nvm,slariviere/nvm,tlevine/nvm,Theodeus/nvm,creationix/nvm,PeterDaveHello/nvm,ljharb/nvm,evocateur/nvm,slariviere/nvm