bfd change to grok PT_GNU_EH_FRAME for sectionless ELF

[Roland McGrath]

> Hi Roland,
> 
> > 2003-04-17  Roland McGrath  <roland@redhat.com>
> > 
> > 	* elf.c (bfd_section_from_phdr): Map PT_GNU_EH_FRAME to "eh_frame_hdr".
> 
> Approved - please apply.

Done.