appdata: Use correct SPDX license identifier
authorMaximiliano Sandoval R <msandova@protonmail.com>
Fri, 16 Jul 2021 08:34:25 +0000 (10:34 +0200)
committerMaximiliano Sandoval R <msandova@protonmail.com>
Fri, 16 Jul 2021 09:09:28 +0000 (11:09 +0200)
commit2da9ba63e2f61c24e4af8cd645131382dcc5d7c8
treec79d98b81cc45beae50811ad8b40f1972339d316
parentb70b058b66fcbfbd453ec5a705db062c2dd5d2c1
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
demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in
demos/print-editor/org.gtk.PrintEditor4.appdata.xml
demos/widget-factory/org.gtk.WidgetFactory4.appdata.xml.in