Staging: comedi: addi_common.h: Checkpatch cleanup

ERROR: code indent should use tabs where possible
+        const struct comedi_lrange *pr_AiRangelist;^I/* rangelist for A/D */$

ERROR: code indent should use tabs where possible
+        const struct comedi_lrange *pr_AoRangelist;^I/* rangelist for D/A */$

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/comedi/drivers/addi-data/addi_common.h

@@ -77,8 +77,8 @@ struct addi_board {
 	int i_NbrAoChannel;	/*  num of D/A chans */
 	int i_AiMaxdata;	/*  resolution of A/D */
 	int i_AoMaxdata;	/*  resolution of D/A */
-        const struct comedi_lrange *pr_AiRangelist;	/* rangelist for A/D */
-        const struct comedi_lrange *pr_AoRangelist;	/* rangelist for D/A */
+	const struct comedi_lrange *pr_AiRangelist;	/* rangelist for A/D */
+	const struct comedi_lrange *pr_AoRangelist;	/* rangelist for D/A */
 
 	int i_NbrDiChannel;	/*  Number of DI channels */
 	int i_NbrDoChannel;	/*  Number of DO channels */