[gnome-control-center] flatpak: fix typo in "cryptsetup" module definition

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit c016a1e6da4442a1db47b02a8155796964e3cb79
Author: Will Thompson <will willthompson co uk>
Date:   Thu Nov 28 06:39:51 2019 +0000

    flatpak: fix typo in "cryptsetup" module definition

 build-aux/flatpak/org.gnome.Settings.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Settings.json b/build-aux/flatpak/org.gnome.Settings.json
index 4572805e6..be8ce9063 100644
--- a/build-aux/flatpak/org.gnome.Settings.json
+++ b/build-aux/flatpak/org.gnome.Settings.json
@@ -661,7 +661,7 @@
         },
         {
             "name" : "cryptsetup",
-            "autotools" : "autotools",
+            "buildsystem" : "autotools",
             "sources" : [
                 {
                     "type" : "archive",