* grep returns a non-zero exit code if no line matches, causing the   swap task to fail.  So ignore that.
* grep returns a non-zero exit code if no line matches, causing the
  swap task to fail.  So ignore that.


git-svn-id: 71c8032c709790ec749031c4215f8515ac00dc5a@19660 70bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb

bnordgren/nixos,bnordgren/nixos,bnordgren/nixos,bnordgren/nixos,bnordgren/nixos