patch: include file name in binary patch error messages
$ hg import --no-commit ../mercurial_1915035238540490516.patch
applying ../mercurial_1915035238540490516.patch
abort: could not extract binary data
Becomes:
abort: could not extract "binary2" binary data
.. Common link and substitution definitions.
.. |hg(1)| replace:: **hg**\ (1)
.. _hg(1): hg.1.html
.. |hgrc(5)| replace:: **hgrc**\ (5)
.. _hgrc(5): hgrc.5.html
.. |hgignore(5)| replace:: **hgignore**\ (5)
.. _hgignore(5): hgignore.5.html