[gnome-klotski] Unrelax the appdata validation.

[Arnaud B. <arnaudb src gnome org>]

commit 9ec24c3fa8c7ba8c961e4376ea90a4103b5a6faf
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Aug 7 10:45:51 2019 +0200

    Unrelax the appdata validation.

 data/meson.build                      | 4 +---
 data/org.gnome.Klotski.appdata.xml.in | 4 ++++
 meson.build                           | 9 ++++++++-
 3 files changed, 13 insertions(+), 4 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index c7d7047..4a9e55c 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -35,7 +35,6 @@ desktop_file = i18n.merge_file(
 )
 
 # Validate desktop file
-desktop_file_validate = find_program('desktop-file-validate', required: false)
 if desktop_file_validate.found()
   test(
     'validate-desktop',
@@ -56,12 +55,11 @@ appdata_file = i18n.merge_file(
 )
 
 # Validate AppData file
-appstream_util = find_program('appstream-util', required: false)
 if appstream_util.found()
   test(
     'validate-appdata', appstream_util,
     args: [
-      'validate-relax', '--nonet', appdata_file.full_path()
+      'validate', '--nonet', appdata_file.full_path()
     ]
   )
 endif
diff --git a/data/org.gnome.Klotski.appdata.xml.in b/data/org.gnome.Klotski.appdata.xml.in
index f5497b8..47571c1 100644
--- a/data/org.gnome.Klotski.appdata.xml.in
+++ b/data/org.gnome.Klotski.appdata.xml.in
@@ -64,4 +64,8 @@
     <content_attribute id="money-purchasing">none</content_attribute>
     <content_attribute id="money-gambling">none</content_attribute>
   </content_rating>
+
+  ​<releases>
+    <release version="3.32.0" date="2019-03-11" type="stable" urgency="medium"/>
+  </releases>
 </component>
diff --git a/meson.build b/meson.build
index cde9ac4..9a9f4b7 100644
--- a/meson.build
+++ b/meson.build
@@ -2,8 +2,11 @@ project('gnome-klotski', 'vala', 'c',
         version: '3.32.0')
 
 project_id = 'org.gnome.Klotski'
-i18n = import('i18n')
+
+# used to install help
 gnome = import('gnome')
+# used for internationalization
+i18n = import('i18n')
 # used to run post install script
 python3 = import('python3')
 
@@ -14,6 +17,10 @@ gtk_dependency = dependency('gtk+-3.0', version: '>= 3.12.0')
 rsvg_dependency = dependency('librsvg-2.0', version: '>= 2.32.0')
 posix_dependency = meson.get_compiler('vala').find_library('posix')
 
+appstream_util          = find_program('appstream-util',        required: false)
+desktop_file_validate   = find_program('desktop-file-validate', required: false)
+glib_compile_schema     = find_program('glib-compile-schemas',  required: true) # useful?
+
 # Set gettext package name
 add_global_arguments('-DGETTEXT_PACKAGE="@0@"'.format (meson.project_name()), language: 'c')