get_vaddr_frames() has a comment that's *almost* a docbook comment; add
the missing star so that the tools will find it properly.
Signed-off-by: NJonathan Corbet <corbet@lwn.net>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>