[PATCH] Fix typo in binutils manual

[Nick Clifton]

Hi Tom,

> I happened to notice that the binutils manual has a typo in the name
> of a command-line option.

Approved - please apply.

> -@item --keep-section-symbils
> +@item --keep-section-symbols
>   When stripping a file, perhaps with @option{--strip-debug} or
>   @option{--strip-unneeded}, retain any symbols specifying section names,
>   which would otherwise get stripped.

Cheers
   Nick

PS.  This counts as an "obvious" patch, so you do not really need permission to check it in...