Hi David,
Yes, I am the translator of until-linux in the Spanish Team. I am actively working on the translation, but it will take me two or three months before I get it complete, as the translation was very outdated when I took it over, and the amount of text to be translated is huge.
I have just uploaded my last contribution (util-linux-2.25.1-rc1.es.po), which you can find at the Translationproject site:
If your request is to "merge" version 2.25.1-rc1 of the translation into the new version that you attached, I can do it before Dec 2nd. Otherwise, please say again what I could do for you. Meanwhile, I keep working on the translation of 2.25.1-rc1 (the last one available at Translationproject), at the work pace that I can afford.
Regards,
--Antonio Ceballos