Address ProcessStartInfo envvar case sensitivite issue
Address ProcessStartInfo envvar case sensitivite issue

* Fixes #1326

devlead/cake,DixonD-git/cake,Sam13/cake,adamhathcock/cake,vlesierse/cake,daveaglick/cake,devlead/cake,phrusher/cake,thomaslevesque/cake,ferventcoder/cake,cake-build/cake,gep13/cake,robgha01/cake,thomaslevesque/cake,cake-build/cake,RehanSaeed/cake,Julien-Mialon/cake,patriksvensson/cake,ferventcoder/cake,RehanSaeed/cake,Sam13/cake,gep13/cake,Julien-Mialon/cake,mholo65/cake,robgha01/cake,daveaglick/cake,phrusher/cake,vlesierse/cake,phenixdotnet/cake,mholo65/cake,phenixdotnet/cake,adamhathcock/cake,patriksvensson/cake