Simplify a bit
XDocumentDigitalSignatures::isLocationTrusted would remove segments
itself, as needed; this change not only simplifies this code, but
also potentially allows to define not only trusted directories, but
also individuals trusted files (if the UI would be adjusted).
Change-Id: I0b0d60946d84a52479fcce5ce49d368cf53283fd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159009
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159263
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>