control: remap - fix an infinite recursive call in the async callback

The function snd_ctl_remap_async will call itself infinitely. Looks like
a typo.

Fixes: a64391a ("control: remap plugin - initial version")
Signed-off-by: Chih-Wei Huang <cwhuang@linux.org.tw>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

src/control/control_remap.c

@@ -323,7 +323,7 @@ static int snd_ctl_remap_nonblock(snd_ctl_t *ctl, int nonblock)
 static int snd_ctl_remap_async(snd_ctl_t *ctl, int sig, pid_t pid)
 {
 	snd_ctl_remap_t *priv = ctl->private_data;
-	return snd_ctl_remap_async(priv->child, sig, pid);
+	return snd_ctl_async(priv->child, sig, pid);
 }
 
 static int snd_ctl_remap_subscribe_events(snd_ctl_t *ctl, int subscribe)