Minor fixes for sss_parse_name_for_domains
- use brackets after an if
- use the right variable name (candidate_domain instead of
candidate_name).
- fix a typo in a debug message
- only print a debug message about using a default domain when using a
default domain
- add a comment explaning when is a codepath executed
Reviewed-by: Pavel Březina <pbrezina@redhat.com>