ipa-client-install: remove extra space in pkinit_anchors definition
ipa-client-install modifies /etc/krb5.conf and defines the following line:
pkinit_anchors = FILE: /etc/ipa/ca.crt
The extra space between FILE: and /etc/ipa/ca.crt break pkinit.
https://pagure.io/freeipa/issue/6916
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>