Fixproto failure on canadian cross

[Paul Brook]

> Tested by building a i686-linux->i686-mingw32->m68k-elf cross. I don't
> really know what fixproto does, so I'm not sure what a proper test would
> be. Ok for mainline and 4.1?
>
> Paul
>
> 2005-11-23  Paul Brook  <paul@codesourcery.com>
>
> 	* configure.ac: Ignore TARGET_SYSTEM_ROOT when setting STMP_FIXPROTO.
> 	* configure: Regenerate.

Turns out the toolchain built, but won't install.  Ignore this patch for now.

Paul