[PATCH] hisax warning fixes

drivers/isdn/hisax/hfc4s8s_l1.c:317: warning: type qualifiers ignored on function return type
drivers/isdn/hisax/hfc4s8s_l1.c:329: warning: type qualifiers ignored on function return type

Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/isdn/hisax/hfc4s8s_l1.c

···
 /* function to read critical counter registers that   */
 /* may be udpated by the chip during read             */
 /******************************************************/
-static volatile u_char
+static u_char
 Read_hfc8_stable(hfc4s8s_hw * hw, int reg)
 {
 	u_char ref8;
···
 	return in8;
 }
 
-static volatile int
+static int
 Read_hfc16_stable(hfc4s8s_hw * hw, int reg)
 {
 	int ref16;