[PATCH/obvious] Fix typos in dl-open.c

[Marek Polacek]

On Tue, Jul 17, 2012 at 05:58:42PM -0700, Roland McGrath wrote:
> The standard is a log entry with normal format (including indicating
> individual functions touched, etc.) but the actual explanatory part can be
> just "Comment fix." (for comments that are API documentation like the ones
> before functions in header files, the canonical thing is "Doc fix.").

Thanks, I'll add it then.  It's just that Uli was always against these
"comment fix" entries so I got used to it.  Sorry,

	Marek