[tiny PATCH] missing close bracket in texi for add-symbol option

[Nick Clifton]

Hi Ronald,

> Now that my --add-symbol feature has made it in the mainstream objcopy, this bothers me a bit. I put 1 close bracket ']' too few in the texi file. See the patch below (against current master).
> 
> This is almost not worth mentioning, but still...

No, it is good to make sure that the documentation is accurate.

I have applied your patch and checked it in to the repository.

Cheers
  Nick