[PATCH] USB: input/: proper prototypes

This patch adds proper prototypes in a header file for some global
functions.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
index 4e1b784..9c62837 100644
--- a/drivers/usb/input/hid.h
+++ b/drivers/usb/input/hid.h
@@ -533,3 +533,8 @@
 		return hid->ff_event(hid, input, type, code, value);
 	return -ENOSYS;
 }
+
+int hid_lgff_init(struct hid_device* hid);
+int hid_tmff_init(struct hid_device* hid);
+int hid_pid_init(struct hid_device* hid);
+