switch device_get_devnode() and ->devnode() to umode_t *

both callers of device_get_devnode() are only interested in lower 16bits
and nobody tries to return anything wider than 16bit anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/sound/sound_core.c b/sound/sound_core.c
index 6ce2778..c6e81fb 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -29,7 +29,7 @@
 MODULE_AUTHOR("Alan Cox");
 MODULE_LICENSE("GPL");
 
-static char *sound_devnode(struct device *dev, mode_t *mode)
+static char *sound_devnode(struct device *dev, umode_t *mode)
 {
 	if (MAJOR(dev->devt) == SOUND_MAJOR)
 		return NULL;