Nobody owns it, as far as I can tell. It doesn't live anywhere I can
find, either with or without poppler-bindings installed. But then,
neither of my machines actually compile with poppler support, I think
I've determined :) So I'm no help.
However, poppler appears to provide the file. I'm not knowledgeable
about these things, but here:
it shows as being part of poppler, right?