[pitivi] bin: Allow running subcommand --help in the sandbox

[Thibault Saunier <tsaunier src gnome org>]

commit a5b1256ec4151c9ab333d4ce1cfa754d4df3d082
Author: Thibault Saunier <tsaunier gnome org>
Date:   Fri May 6 11:39:53 2016 -0300

    bin: Allow running subcommand --help in the sandbox
    
    And show the pitivi-xdg-app help only if it is the only option specified

 build/xdg-app/pitivi-bundle |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/build/xdg-app/pitivi-bundle b/build/xdg-app/pitivi-bundle
index 6683064..a154624 100755
--- a/build/xdg-app/pitivi-bundle
+++ b/build/xdg-app/pitivi-bundle
@@ -90,10 +90,6 @@ You can find more information about xdg-app at: https://wiki.gnome.org/Projects/
 for i in "$@"
 do
   case $i in
-    -h|--help)
-    echo "$HELP"
-    exit 0
-    ;;
     -d|--devel)
     DEVEL=true
     shift
@@ -133,6 +129,12 @@ do
   esac
 done
 
+if [ "$1" == "--help" ]
+then
+    echo "$HELP"
+    exit 0
+fi
+
 which xdg-app > /dev/null 2>&1
 if [ ! $? -eq 0 ]
 then