[pitivi] build: Fix indentation of error message

[Alexandru Băluț <alexbalut src gnome org>]

commit 83eaa49557b8dd001a3e025f37caa4188a9f2ac6
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Wed Apr 27 08:34:09 2016 +0200

    build: Fix indentation of error message
    
    Differential Revision: https://phabricator.freedesktop.org/D971

 build/xdg-app/pitivi-bundle |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/build/xdg-app/pitivi-bundle b/build/xdg-app/pitivi-bundle
index a82266d..c79898a 100755
--- a/build/xdg-app/pitivi-bundle
+++ b/build/xdg-app/pitivi-bundle
@@ -161,10 +161,10 @@ fi
 if [ -n "$BUILD" ]
 then
   which xdg-app-builder > /dev/null 2>&1 || (echo "You need to install xdg-app-builder to \
-  use the $0 script for development.
+ use the $0 script for development.
 
-  xdg-app-builder was introduced between the 0.4.5 and 0.4.6 xdg-app releases.
-  "; exit 1)
+xdg-app-builder was introduced between the 0.4.5 and 0.4.6 xdg-app releases.
+"; exit 1)
 
   DEVEL=true
 fi