Fix debug message to use requested seid not opened seid.
diff --git a/audio/unix.c b/audio/unix.c
index e61b0bb..6b43bd4 100644
--- a/audio/unix.c
+++ b/audio/unix.c
@@ -1535,7 +1535,7 @@
 
 	if (req->codec.seid != client->seid) {
 		error("Unable to set configuration: seid %d not opened",
-				client->seid);
+				req->codec.seid);
 		goto failed;
 	}