[patch] sanity check bfd_is_section_compressed header

[Cary Coutant]

> I did some digging and it looks like nothing in binutils will generate
> a .debug_* section that's compressed.  Can other tools do so?  Did I
> miss anything?  If there can't be a compressed .debug_* "in the wild"
> then I think removing the check for .debug_* in that snippet is
> the right change.

Yes, I agree. At some point, we probably will start using
SHF_COMPRESSED with the .debug_* names, but then the proper check will
be for the section flag, not just looking at the contents of the
section.

> Of course, the sanity check might be useful *also* :-)

Sure.

> Suggestions?

Removing the test for ".debug_" looks good to me.

-cary