Use _exit instead of exit if exec() fails after forking
Use _exit instead of exit if exec() fails after forking

* Otherwise if we call exit() it can ruin the parent process by calling
  atexit(), signal handlers, and other things.

etnlGD/renderdoc,victor-moya/renderdoc,etnlGD/renderdoc,victor-moya/renderdoc,Lssikkes/renderdoc,cgmb/renderdoc,googlestadia/renderdoc,TurtleRockStudios/renderdoc_public,victor-moya/renderdoc,michaelrgb/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,michaelrgb/renderdoc,baldurk/renderdoc,baldurk/renderdoc,TurtleRockStudios/renderdoc_public,etnlGD/renderdoc,etnlGD/renderdoc,michaelrgb/renderdoc,cgmb/renderdoc,googlestadia/renderdoc,victor-moya/renderdoc,etnlGD/renderdoc,cgmb/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,googlestadia/renderdoc,TurtleRockStudios/renderdoc_public,Zorro666/renderdoc,baldurk/renderdoc,googlestadia/renderdoc,Lssikkes/renderdoc,Lssikkes/renderdoc,baldurk/renderdoc,Lssikkes/renderdoc,michaelrgb/renderdoc,baldurk/renderdoc,TurtleRockStudios/renderdoc_public,baldurk/renderdoc,Zorro666/renderdoc,etnlGD/renderdoc,Lssikkes/renderdoc,Zorro666/renderdoc,victor-moya/renderdoc,cgmb/renderdoc,googlestadia/renderdoc,michaelrgb/renderdoc,Lssikkes/renderdoc,TurtleRockStudios/renderdoc_public,victor-moya/renderdoc,Zorro666/renderdoc,cgmb/renderdoc