[gnome-control-center] flatpak: Pin libblockdev down

[Robert Ancell <rancell src gnome org>]

commit 2e2b794b4561457baa9a5ee93a6a89ba41251d8c
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Mon Feb 1 12:58:12 2021 +0100

    flatpak: Pin libblockdev down
    
    Compilation doesn't work after the pinned commit.

 build-aux/flatpak/org.gnome.Settings.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Settings.json b/build-aux/flatpak/org.gnome.Settings.json
index b64b4c2fd..fae5e16a7 100644
--- a/build-aux/flatpak/org.gnome.Settings.json
+++ b/build-aux/flatpak/org.gnome.Settings.json
@@ -744,7 +744,8 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "https://github.com/storaged-project/libblockdev.git";
+                    "url" : "https://github.com/storaged-project/libblockdev.git";,
+                    "commit" : "f90a33aa03a50eff79e2dc932a8e7742f94d5927"
                 }
             ]
         },