[swell-foop] fix distcheck

[Thomas Hindoe Paaboel Andersen <thomashpa src gnome org>]

commit 0a5e385e36d6223e3a7ce5111ec1ffff28f4db80
Author: Thomas Hindoe Paaboel Andersen <phomes gmail com>
Date:   Mon Feb 17 22:58:33 2014 +0100

    fix distcheck

 po/POTFILES.skip |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index f17da6a..9226bb2 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,5 +1,5 @@
 data/swell-foop.desktop.in
 src/game.c
 src/game-view.c
-src/score-dialog.vala
+src/score-dialog.c
 src/swell-foop.c