[ros-svn] [weiden] 20081: fixed some missing NULL checks, reported by M Bealby in bug #1110

[weiden at svn.reactos.com]

fixed some missing NULL checks, reported by M Bealby in bug #1110


Updated files:
trunk/reactos/lib/kernel32/misc/atom.c
trunk/reactos/lib/kernel32/misc/env.c
trunk/reactos/lib/kernel32/misc/lzexpand_main.c
trunk/reactos/lib/kernel32/process/cmdline.c
trunk/reactos/lib/kernel32/process/create.c
trunk/reactos/lib/kernel32/process/proc.c