[8/21] bfd_install_relocation strikes again

[Nick Clifton]

Hi Richard,

> gas/
> 	* config/tc-ppc.c (md_apply_fix): On COFF targets, always reread
> 	"value" from fx_offset.  Manually resubtract md_pcrel_from_section
> 	where necessary.
> 
> gas/testsuite/
> 	* gas/ppc/xcoff-branch-1.s, gas/ppc/xcoff-branch-1-32.d,
> 	gas/ppc/xcoff-branch-1-64.d: New tests.
> 	* gas/ppc/aix.exp: Run them.

Approved - please apply.