[PATCH] mips: fix segfault when creating a dso with discarded .dynsym section

[Matthew Fortune]

> > bfd/
> > 	* elfxx-mips.c(_bfd_mips_elf_finish_dynamic_sections): fix segfault
> when
> > 	creating a dso with discarded dynsym section
> 
> OK, thanks.

I have committed this for you.

Matthew