cmds/pflask: HACK! if -cgroup is not set, just exec the program
cmds/pflask: HACK! if -cgroup is not set, just exec the program

This assumes that the user knows what he is doing and the program
will be the init in the namespace.

Signed-off-by: Minux <72d850dbd8858b791995463d8539b5a379577f28@golang.org>

hugelgupf/u-root,GanShun/u-root,hugelgupf/u-root,u-root/u-root,rminnich/u-root,u-root/u-root,hugelgupf/u-root,GanShun/u-root,rminnich/u-root,rminnich/u-root,rminnich/u-root,GanShun/u-root,u-root/u-root,hugelgupf/u-root