[arm] Rephrase error message.

[Paul Brook]

> > 2004-10-12  Paul Brook  <paul@codesourcery.com>
> >
> >  * elf32-arm.h (elf32_arm_merge_private_bfd_data): Rephrase error
> >  message.
> >

>
> Approved in principle, but how about "ERROR: Source object %B has EABI
> version %d, but target %B has EABI version %d"?

Applied with that change.

Paul