Swap the order of the default and custom callback registration, since the order of lookup is now reversed since <https://github.com/lsh123/xmlsec/commit/968646fb9b8428174a112fce2f08b1ec89d0ed97>. Thanks Tomas Chvatal for reporting this. Change-Id: I60a347454701a679db4ccd8924a723a236d5edff Reviewed-on: https://gerrit.libreoffice.org/55404 Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk> Tested-by: Tomáš Chvátal <tchvatal@suse.cz>