Typo fix from Warren Dukes <shank@mercury.chem.pitt.edu>

git-svn-id: http://svn.xiph.org/trunk/ao@5250 0101bb08-14d6-0310-b084-bc0e0c8e3800

src/plugins/alsa09/ao_alsa09.c

@@ -39,7 +39,7 @@
 
 static char *ao_alsa_options[] = {
 	"dev",
-	"buf_size"
+	"buf_size",
         "periods"
 };
 static ao_info ao_alsa_info =