In the lxcSetupFuse() function there are multiple cleanup labels,
but with a bit of rewrite they can be joined into one 'error'
label. And while at it, set the @f argument only in the
successful path (currently is set in error case too).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>