[gnome-clocks] flatpak: Set build_gtk4=true for gnome-desktop

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit c92a12aa0e0874fa35ff50c648d738b82bcf1761
Author: Maximiliano Sandoval R <msandova protonmail com>
Date:   Tue May 3 19:54:43 2022 -0400

    flatpak: Set build_gtk4=true for gnome-desktop

 build-aux/flatpak/org.gnome.clocks.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.clocks.json b/build-aux/flatpak/org.gnome.clocks.json
index b3d768f3..d66829d1 100644
--- a/build-aux/flatpak/org.gnome.clocks.json
+++ b/build-aux/flatpak/org.gnome.clocks.json
@@ -71,7 +71,7 @@
               "-Dgtk_doc=false",
               "-Ddesktop_docs=false",
               "-Dlegacy_library=false",
-              "-Dbuild_gtk4=false"
+              "-Dbuild_gtk4=true"
             ],
             "sources": [
                 {