IFP: Use the override_space option
https://fedorahosted.org/sssd/ticket/2397
The input of the InfoPipe responder substitutes the configured character
for space and the GetUserAttrs and GetUserGroups functions substitute
space for the configured character in their output.
Reviewed-by: Pavel Březina <pbrezina@redhat.com>
Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
(cherry picked from commit fcfd1cb69762c49ba56326dfc85008c1d83333b2)