Another PA GAS testsuite fix

[Nick Clifton]

Hi Anders,

> Hmm, yes that's a problem. The windres tests do it and I believe there
> was a discussion about ASCII encoding the files and binifying them
> when running the tests. The only problem I see is that this test would
> fail on CRLF platforms (like cygwin text-mounts) since that would
> change the "binary" source file.
> 
> Here's the patch + incbin.dat.
> 
> If it's ok, please commit.

Approved and applied.  If the binary file proves to be a problem we
will have to rethink.

Cheers
        Nick