Staging: comedi: daqboard2000.c fixed trailing whitespace

Fixed a coding style issue.
Signed-off-by: Andrei Maresu <andreimaresu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/daqboard2000.c

@@ -40,7 +40,7 @@ Configuration options: not applicable, uses PCI auto config
    for the card, and here are the findings so far.
 
    1. A good document that describes the PCI interface chip is 9080db-106.pdf
-      available from http://www.plxtech.com/products/io/pci9080 
+      available from http://www.plxtech.com/products/io/pci9080
 
    2. The initialization done so far is:
         a. program the FPGA (windows code sans a lot of error messages)