Code review comment for lp:~thumper/juju-core/update-golxc-version

The attempt to merge lp:~thumper/juju-core/update-golxc-version into lp:juju-core failed. Below is the output from the failed tests.

# launchpad.net/juju-core/container/lxc
container/lxc/lxc.go:147: cannot use nil as type string in function argument
container/lxc/lxc.go:147: cannot use templateParams (type []string) as type string in function argument
# launchpad.net/juju-core/container/lxc/mock
container/lxc/mock/mock-lxc.go:82: cannot use mock (type *mockContainer) as type golxc.Container in assignment:
 *mockContainer does not implement golxc.Container (wrong type for Clone method)
  have Clone(string, []string, []string) (golxc.Container, error)
  want Clone(string) (golxc.Container, error)
container/lxc/mock/mock-lxc.go:124: cannot use container (type *mockContainer) as type golxc.Container in assignment:
 *mockContainer does not implement golxc.Container (wrong type for Clone method)
  have Clone(string, []string, []string) (golxc.Container, error)
  want Clone(string) (golxc.Container, error)
container/lxc/mock/mock-lxc.go:125: cannot use container (type *mockContainer) as type golxc.Container in return argument:
 *mockContainer does not implement golxc.Container (wrong type for Clone method)
  have Clone(string, []string, []string) (golxc.Container, error)
  want Clone(string) (golxc.Container, error)
container/lxc/mock/mock-lxc.go:214: cannot use mockContainer literal (type *mockContainer) as type golxc.Container in assignment:
 *mockContainer does not implement golxc.Container (wrong type for Clone method)
  have Clone(string, []string, []string) (golxc.Container, error)
  want Clone(string) (golxc.Container, error)