add atomic_ops.h to cmake's source code listing.


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@61029 954f8c5b-7b00-dc11-b283-0030488c597c
code cleanup: spelling


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@61030 954f8c5b-7b00-dc11-b283-0030488c597c