Remove the hyphens from the “whitelist” and “blacklist” compound words

Change-Id: I5371b6d0662d8143f33b1225e9d4c7b78d521ebc
Reviewed-on: https://gerrit.libreoffice.org/13205
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>