lxc: Do not use strcmp to avoid incorrectly outputs that Criu 2.12.1 is less than 2.8
lxc: Do not use strcmp to avoid incorrectly outputs that Criu 2.12.1 is less than 2.8

Signed-off-by: Federico Briata <dff5d48518d0830cff796f17aca5d190bb1bb1f7@cnhind.com>

federicobriata/lxc,federicobriata/lxc,federicobriata/lxc