[PATCH] powerpc: make powerbook_sleep_grackle static

powerbook_sleep_grackle is only called inside via-pmu, from pmu_ioctl()

Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

drivers/macintosh/via-pmu.c

@@ -2201,8 +2201,7 @@ pmac_wakeup_devices(void)
 #define	GRACKLE_NAP	(1<<4)
 #define	GRACKLE_SLEEP	(1<<3)
 
-int
-powerbook_sleep_grackle(void)
+static int powerbook_sleep_grackle(void)
 {
 	unsigned long save_l2cr;
 	unsigned short pmcr1;