[pitivi] flatpak: Fix pitivi repo URL check

[Thibault Saunier <tsaunier src gnome org>]

commit e269afb00e7d342d634477bcee151a2b2b00ca8d
Author: Thibault Saunier <tsaunier gnome org>
Date:   Thu Jul 7 16:56:10 2016 -0400

    flatpak: Fix pitivi repo URL check

 build/flatpak/pitivi-flatpak |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/build/flatpak/pitivi-flatpak b/build/flatpak/pitivi-flatpak
index 9a54bea..25d635f 100755
--- a/build/flatpak/pitivi-flatpak
+++ b/build/flatpak/pitivi-flatpak
@@ -68,8 +68,9 @@ fi
 # Computation of actual variable values
 APPLICATION_REPO_NAME=`$FLATPAK_REMOTE_LIST --user -d | grep "$APPLICATION_FLATPAK_REPO" |awk '{ print $1 }'`
 $FLATPAK remote-list --user |grep $APPLICATION_DEFAULT_REPO_NAME > /dev/null 2>&1
+res=$?
 # Update remote URL if needed
-if [ $? != 0 ] & [ -z $APPLICATION_REPO_NAME ]
+if [ $res != 0 ] && [ -n "$APPLICATION_REPO_NAME" ]
 then
   echo "-> Setting $APPLICATION_DEFAULT_REPO_NAME URL to $APPLICATION_FLATPAK_REPO"
   $FLATPAK remote-modify --user $APPLICATION_DEFAULT_REPO_NAME --url=$APPLICATION_FLATPAK_REPO