ALSA: Add sound/core/jack.c to driver-API docbook entry

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/Documentation/sound/alsa/DocBook/alsa-driver-api.tmpl b/Documentation/sound/alsa/DocBook/alsa-driver-api.tmpl
index 9d644f7..37b006c 100644
--- a/Documentation/sound/alsa/DocBook/alsa-driver-api.tmpl
+++ b/Documentation/sound/alsa/DocBook/alsa-driver-api.tmpl
@@ -89,6 +89,9 @@
      <sect1><title>Hardware-Dependent Devices API</title>
 !Esound/core/hwdep.c
      </sect1>
+     <sect1><title>Jack Abstraction Layer API</title>
+!Esound/core/jack.c
+     </sect1>
      <sect1><title>ISA DMA Helpers</title>
 !Esound/core/isadma.c
      </sect1>