[patch libgcc]: Fix float128 soft-float for mingw targets

[Joseph S. Myers]

On Mon, 27 Feb 2012, Kai Tietz wrote:

> 2012-02-28  Kai Tietz  <ktietz@redhat.com>
> 
> 	* soft-fp/soft-fp.h (_FP_STRUCT_LAYOUT): If not defined,
> 	define it as empty macro.
> 	* soft-fp/quad.h: Mark bitfield-structures by _FP_STRUCT_LAYOUT.
> 	* soft-fp/extended.h: Likewise.
> 	* soft-fp/single.h: Likewise.
> 	* soft-fp/double.h: Likewise.

Thanks.  This looks fine to me, modulo ChangeLog and comment wording and 
copyright year updates.  I'd propose to commit it in a few days' time with 
those fixed unless anyone sees any problems with it.

-- 
Joseph S. Myers
joseph@codesourcery.com