Return early in case pdfium is not available, to avoid the ifdef forest. Change-Id: I1fd1b22015e10527a989c8a1c4f4073fef29553e Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112238 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Stuff for document signing. This code provides dialogs, and infrastructure wrapping libxmlsec and gpgme that implements document signing.