ALSA: Close holes in struct snd_pcm_constraint_list

On a 64-bit system there is a 32-bit hole in struct snd_pcm_constraint_list
and then 32-bit padding at the end. Reordering things slightly gets rid of
the hole and padding, reducing the size of the struct by 50% from its
original size.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

include/sound/pcm.h

@@ -274,8 +274,8 @@ struct snd_pcm_hw_constraint_ratdens {
 };
 
 struct snd_pcm_hw_constraint_list {
-	unsigned int count;
 	const unsigned int *list;
+	unsigned int count;
 	unsigned int mask;
 };