patch for libjava build failure

[Alexandre Petit-Bianco]

Per Bothner writes:

> Does this seem like a reasonable patch?

I think so. Can you please check this in?

> (I would be happier if I understood why there wasn't a problem
> before!)

It might have been with rest_of_decl_compilation which changed on
Monday the 26th:

  http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?r1=1.427&r2=1.428&f=h

./A