comedi: note a coverity discovered hole that needs fixing

It's not trivial to just post up a fix, so add it to the TODO list and
ensure it doesn't get lost.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/TODO

@@ -3,6 +3,7 @@ TODO:
 	- Lindent
 	- remove all wrappers
 	- audit userspace interface
+		- Fix coverity 1195261
 	- cleanup the individual comedi drivers as well
 
 Please send patches to Greg Kroah-Hartman <greg@kroah.com> and