[gupnp-dlna] Add generating Vala API to TODO.

[Jens Georg <jensgeorg src gnome org>]

commit d013c9200d3b90df5b71554699eda3a459591da8
Author: Krzesimir Nowak <krnowak openismus com>
Date:   Tue Nov 27 12:42:34 2012 +0100

    Add generating Vala API to TODO.

 TODO |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/TODO b/TODO
index df272ee..a93466c 100644
--- a/TODO
+++ b/TODO
@@ -27,4 +27,6 @@
   file listing them. Otherwise using G_GNUC_INTERNAL for every
   function not to be exported will be tedious.
 
+* Generate Vala API.
+
 * Read TODO.old for some ideas.