[tex-live] Multiple files and synctex not working

[Karl Berry]

    https://www.tug.org/pipermail/tex-live/2017-March/039781.html
    https://github.com/jlaurens/synctex/issues/3

Jerome Laurens is still maintaining synctex. He's committed a number of
nontrivial changes to fix that \pdfxform issue, among other things. They
initially had unfortunate ramifications, but we all hope the bugs are
fixed now, and things should be better after tonight's build. -k