[gnome-chess] Add a FIXME

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 16f52dbb7746a4fcb11c169cbc2ea7c13bed0b53
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Jan 6 19:51:03 2014 -0600

    Add a FIXME

 src/chess-engine.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/chess-engine.vala b/src/chess-engine.vala
index 43ef545..11c11fe 100644
--- a/src/chess-engine.vala
+++ b/src/chess-engine.vala
@@ -105,6 +105,7 @@ public abstract class ChessEngine : Object
 
     public void stop ()
     {
+        // FIXME sometimes this source does not exist...
         if (stdout_watch_id > 0)
             Source.remove (stdout_watch_id);