staging: comedi: ni_labpc_isadma: fixed a comment coding style issue

Fixed a BLOCK_COMMENT_STYLE warning reported by checkpatch.pl script.
Signed-off-by: Adrian Stanciu <adrian.stanciu.pub@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_labpc_isadma.h

 /*
  * ni_labpc ISA DMA support.
-*/
+ */
 
 #ifndef _NI_LABPC_ISADMA_H
 #define _NI_LABPC_ISADMA_H