[M68K] Update visibility checks for relocation processing

[Nick Clifton]

Hi Andreas,

> 2008-12-04  Andreas Schwab  <schwab@suse.de>
> 
> 	* elf32-m68k.c (elf_m68k_discard_copies): Use SYMBOL_CALLS_LOCAL.
> 	(elf_m68k_relocate_section): Use SYMBOL_CALLS_LOCAL and
> 	SYMBOL_REFERENCES_LOCAL.
> 	(elf_m68k_relocate_section): Likewise.

Approved - please apply.

Cheers
   Nick