staging: comedi: mpc624: change type of private data 'ai_speed'

For aesthetics, change the type of this member to unsigned int.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/mpc624.c

@@ -93,7 +93,7 @@
 #define MPC624_SPEED_6_875_HZ	MPC624_OSR(0x1f)
 
 struct mpc624_private {
-	unsigned long int ai_speed;
+	unsigned int ai_speed;
 };
 
 /* -------------------------------------------------------------------------- */