Bug#813855: rubber: doesn't generate PDF figures when elsarticle.cls is in the local directory

[Nicolas Boulenguez]

Package: rubber
Version: 1.4-3
Followup-For: Bug #813855
Control: retitle -1 graphicx module confused if required by a local class

Here is a small reproducer.

The graphicx module is registered once inside c.cls.
It thinks that the main document is c.cls,
and does not manage to guess if foo.eps or foo.pdf is wanted.

foo.fig: (any fig file)
c.cls:
  \LoadClass{article}
  \RequirePackage{graphicx}
doc.tex:
  \documentclass{c}
  \usepackage{graphicx}
  \begin{document}
  \includegraphics{foo}
  \end{document}