[gtk: 1/5] appdata: Use correct SPDX license identifier

[Matthias Clasen <matthiasc src gnome org>]

commit 2da9ba63e2f61c24e4af8cd645131382dcc5d7c8
Author: Maximiliano Sandoval R <msandova protonmail com>
Date:   Fri Jul 16 10:34:25 2021 +0200

    appdata: Use correct SPDX license identifier
    
    Following
    https://www.freedesktop.org/software/appstream/docs/chap-Metadata.html#tag-project_license,
    for the complete list of identifiers see https://spdx.org/licenses/

 demos/gtk-demo/org.gtk.Demo4.appdata.xml.in                | 2 +-
 demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in     | 2 +-
 demos/print-editor/org.gtk.PrintEditor4.appdata.xml        | 2 +-
 demos/widget-factory/org.gtk.WidgetFactory4.appdata.xml.in | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/demos/gtk-demo/org.gtk.Demo4.appdata.xml.in b/demos/gtk-demo/org.gtk.Demo4.appdata.xml.in
index 7aa94b8bf8..844f575a45 100644
--- a/demos/gtk-demo/org.gtk.Demo4.appdata.xml.in
+++ b/demos/gtk-demo/org.gtk.Demo4.appdata.xml.in
@@ -2,7 +2,7 @@
 <component type="desktop">
   <id>org.gtk.Demo4.desktop</id>
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LGPL-2.0+</project_license>
+  <project_license>LGPL-2.1-or-later</project_license>
   <name>GTK Demo</name>
   <summary>Program to demonstrate GTK functions</summary>
   <description>
diff --git a/demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in 
b/demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in
index d5c8bac706..307b01a4ce 100644
--- a/demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in
+++ b/demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in
@@ -2,7 +2,7 @@
 <component type="desktop">
   <id>org.gtk.IconBrowser4.desktop</id>
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LGPL-2.0+</project_license>
+  <project_license>LGPL-2.1-or-later</project_license>
   <name>GTK Icon Browser</name>
   <summary>Program to browse themed icons</summary>
   <description>
diff --git a/demos/print-editor/org.gtk.PrintEditor4.appdata.xml 
b/demos/print-editor/org.gtk.PrintEditor4.appdata.xml
index e0eb6a0727..3e92a2bfd5 100644
--- a/demos/print-editor/org.gtk.PrintEditor4.appdata.xml
+++ b/demos/print-editor/org.gtk.PrintEditor4.appdata.xml
@@ -2,7 +2,7 @@
 <component type="desktop">
   <id>org.gtk.PrintEditor4.desktop</id>
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LGPL-2.0+</project_license>
+  <project_license>LGPL-2.1-or-later</project_license>
   <name>GTK Print Editor</name>
   <summary>Program to demonstrate GTK printing</summary>
   <description>
diff --git a/demos/widget-factory/org.gtk.WidgetFactory4.appdata.xml.in 
b/demos/widget-factory/org.gtk.WidgetFactory4.appdata.xml.in
index 60e30a7e6b..a1aa5537a9 100644
--- a/demos/widget-factory/org.gtk.WidgetFactory4.appdata.xml.in
+++ b/demos/widget-factory/org.gtk.WidgetFactory4.appdata.xml.in
@@ -2,7 +2,7 @@
 <component type="desktop">
   <id>org.gtk.WidgetFactory4.desktop</id>
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LGPL-2.0+</project_license>
+  <project_license>LGPL-2.1-or-later</project_license>
   <name>GTK Widget Factory</name>
   <summary>Program to demonstrate GTK functions</summary>
   <description>