parser: Fix warning message when complain mode is forced

Merged John Johansen requested to merge jjohansen/apparmor:fix-force-complain into master

when a profile is being forced to complain a variation of the following message is displayed

Warning from /etc/apparmor.d/usr.sbin.sssd (/etc/apparmor.d/usr.sbin.sssd line 54): Warning failed to create cache: usr.sbin.sssd

This is incorrect in that the parser doesn't even try to create the cache, it just can't cache force complain profiles.

Output a warning message for this case that is correct. Fixes:

Signed-off-by: John Johansen