[PATCH] Input: fix cobalt_btns build error

Fix cobalt_btns build error.

drivers/input/misc/cobalt_btns.c: In function 'cobalt_buttons_probe':
drivers/input/misc/cobalt_btns.c:109: warning: dereferencing 'void *' pointer
drivers/input/misc/cobalt_btns.c:109: error: invalid use of void expression
make[3]: *** [drivers/input/misc/cobalt_btns.o] Error 1
make[2]: *** [drivers/input/misc] Error 2
make[1]: *** [drivers/input] Error 2
make: *** [drivers] Error 2

Signed-off-by: Yoichi Yuasa <redacted>

diff -pruN -X /home/yuasa/Memo/dontdiff linux-orig/drivers/input/misc/cobalt_btns.c linux/drivers/input/misc/cobalt_btns.c

--- linux-orig/drivers/input/misc/cobalt_btns.c	2008-03-14 22:44:02.563995073 +0900
+++ linux/drivers/input/misc/cobalt_btns.c	2008-03-14 23:10:12.844238925 +0900

@@ -106,7 +106,7 @@ static int __devinit cobalt_buttons_prob
 	input_set_capability(input, EV_MSC, MSC_SCAN);
 	__set_bit(EV_KEY, input->evbit);
 	for (i = 0; i < input->keycodemax; i++)
-		__set_bit(input->keycode[i], input->keybit);
+		__set_bit(((unsigned short *)input->keycode)[i], input->keybit);
 	__clear_bit(KEY_RESERVED, input->keybit);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);