[patch] Fix ELF stale reference

[Tom Tromey]

>>>>> "Jan" == Jan Kratochvil <jan.kratochvil@redhat.com> writes:

Jan> OK to check-in?  Or some bfd/ API improvement should be made?

I think this is probably the cleanest fix.

However, libbfd.h does say right at the top that it shouldn't be used.

I guess we could ask for advice on the binutils list.
Perhaps we could make bfd_alloc a public function.
Or maybe it is ok to bend this rule.

Tom