[pitivi] flatpak: Use static delta on the repo

[Thibault Saunier <tsaunier src gnome org>]

commit 5eabb38e3feabfa3a93f329319a7ef2e79cbeeb1
Author: Thibault Saunier <tsaunier gnome org>
Date:   Tue May 31 10:50:34 2016 -0400

    flatpak: Use static delta on the repo
    
    Making downloads faster

 build/flatpak/pitivi-flatpak |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/build/flatpak/pitivi-flatpak b/build/flatpak/pitivi-flatpak
index 50240f1..8ab6cca 100755
--- a/build/flatpak/pitivi-flatpak
+++ b/build/flatpak/pitivi-flatpak
@@ -399,7 +399,7 @@ then
   $FLATPAK build-export $REPO $PREFIX $DEVELOPMENT_BRANCHNAME || exit 1
 
   echo "Updating repo $REPO"
-  $FLATPAK build-update-repo $REPO || exit 1
+  $FLATPAK build-update-repo --generate-static-deltas $REPO || exit 1
 
   echo "DONE!"
 fi