[pitivi] Fix appdata file not being translated

[Alexandru Băluț <alexbalut src gnome org>]

commit bc9ad637627c47020f8bab220f2287e183c083b1
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Mon Sep 26 16:26:45 2016 +0200

    Fix appdata file not being translated
    
    Thanks to DimStar for noticing!
    
    Reviewed-by: Thibault Saunier <tsaunier gnome org>
    Differential Revision: https://phabricator.freedesktop.org/D1331

 data/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 661ae9e..2c3915e 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -17,6 +17,6 @@ custom_target('pitivi.desktop',
 custom_target('pitivi.appdata.xml',
     output : 'pitivi.appdata.xml',
     input : 'pitivi.appdata.xml.in',
-    command : [intltool_merge, '--desktop-style', podir, '@INPUT@', '@OUTPUT@'],
+    command : [intltool_merge, '--xml-style', podir, '@INPUT@', '@OUTPUT@'],
     install : true,
     install_dir : get_option('datadir') + '/appdata')