handle common syms in refs_local_p

[Nick Clifton]

Hi Alex,

>>Index: bfd/ChangeLog
>>from  Alexandre Oliva  <aoliva@redhat.com>

>>	* elf-bfd.h (ELF_COMMON_DEF_P): New.
>>	* elflink.c (_bfd_elf_symbol_refs_local_p): Use it to handle
>>	common definitions.
>>	* elf-m10300.c: Use SYMBOL_REFERENCES_LOCAL instead of
>>	_bfd_elf_symbol_refs_local_p.
>>	* elf32-frv.c (FRVFDPIC_SYM_LOCAL): Remove hack for common
>>	symbols.

Approved - please apply.

Cheers
   Nick