[pitivi] Update Makefile.am to take additions into account

[Jean-François Fortin Tam <jfft src gnome org>]

commit 4901cfc741cb782939582f85a91d946a79ad5e0f
Author: Mathieu Duponchelle <mathieu duponchelle epitech eu>
Date:   Wed Apr 17 04:07:19 2013 +0200

    Update Makefile.am to take additions into account

 pitivi/timeline/Makefile.am |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/pitivi/timeline/Makefile.am b/pitivi/timeline/Makefile.am
index 61a728b..fc2a47e 100644
--- a/pitivi/timeline/Makefile.am
+++ b/pitivi/timeline/Makefile.am
@@ -5,9 +5,10 @@ timeline_PYTHON =                      \
        curve.py        \
        layer.py        \
        ruler.py        \
-       thumbnailer.py          \
        timeline.py             \
-       track.py
+       track.py        \
+       elements.py \
+       previewers.py
 
 clean-local:
        rm -rf *.pyc *.pyo