Fix crash if fopen "/proc/self/maps" returns NULL
Fix crash if fopen "/proc/self/maps" returns NULL

baldurk/renderdoc,TurtleRockStudios/renderdoc_public,michaelrgb/renderdoc,Yours3lf/renderdoc,michaelrgb/renderdoc,cgmb/renderdoc,Velro/renderdoc,moradin/renderdoc,cgmb/renderdoc,Yours3lf/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,TurtleRockStudios/renderdoc_public,etnlGD/renderdoc,Anteru/renderdoc,googlestadia/renderdoc,googlestadia/renderdoc,moradin/renderdoc,Lssikkes/renderdoc,googlestadia/renderdoc,Zorro666/renderdoc,Yours3lf/renderdoc,victor-moya/renderdoc,TurtleRockStudios/renderdoc_public,michaelrgb/renderdoc,Anteru/renderdoc,adrianbu/renderdoc,moradin/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,adrianbu/renderdoc,victor-moya/renderdoc,googlestadia/renderdoc,victor-moya/renderdoc,Lssikkes/renderdoc,googlestadia/renderdoc,Yours3lf/renderdoc,cgmb/renderdoc,Lssikkes/renderdoc,victor-moya/renderdoc,Yours3lf/renderdoc,cgmb/renderdoc,baldurk/renderdoc,cgmb/renderdoc,baldurk/renderdoc,adrianbu/renderdoc,Velro/renderdoc,victor-moya/renderdoc,adrianbu/renderdoc,baldurk/renderdoc,adrianbu/renderdoc,Yours3lf/renderdoc,adrianbu/renderdoc,TurtleRockStudios/renderdoc_public,Velro/renderdoc,etnlGD/renderdoc,Anteru/renderdoc,TurtleRockStudios/renderdoc_public,etnlGD/renderdoc,Anteru/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,Lssikkes/renderdoc,michaelrgb/renderdoc,Zorro666/renderdoc,victor-moya/renderdoc,moradin/renderdoc,etnlGD/renderdoc,Lssikkes/renderdoc,googlestadia/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,moradin/renderdoc,moradin/renderdoc,Velro/renderdoc,Anteru/renderdoc,etnlGD/renderdoc,Velro/renderdoc,Zorro666/renderdoc,Lssikkes/renderdoc,Anteru/renderdoc,Velro/renderdoc,Anteru/renderdoc