Fixup for commit eb2313920e.
configparser's set() method does not convert boolean to string
automatically. Use string '"False"', which is then interpreted as
boolean 'False' by getboolean().
Related: https://pagure.io/freeipa/issue/5608
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>