Tidy up arm-elf header files

[Hans-Peter Nilsson]

On 7 Sep 2001, Nick Clifton wrote:
> > /mnt/miscb3/builds2/arm-sim/gcc/libgcc.a(__main.o): In function `__gccmain':
> > __main.o(.text+0x20): undefined reference to `__do_global_ctors'
>
> Ah, I can now reproduce this.  I am investigating...

You've probably solved it by now, but you may want to look into
recent analogical mips changes including those to libgloss and
that neighborhood.

brgds, H-P