[ALSA] Fix errors with user TLV_WRITE

Fixed the errors at checking info.access field during user TLV_WRITE
call.  It should have been zero-initialized.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/core/control.c

diff --git a/sound/core/control.c b/sound/core/control.c
index ac14426..3030aaa 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1048,6 +1048,7 @@
 	if (ue == NULL)
 		return -ENOMEM;
 	ue->info = *info;
+	ue->info.access = 0;
 	ue->elem_data = (char *)ue + sizeof(*ue);
 	ue->elem_data_size = private_size;
 	kctl.private_free = snd_ctl_elem_user_free;