[ghex] flatpak: Disable block device editing on Flatpak

[Logan Rathbone <larathbone src gnome org>]

commit 261c40871d2c760f9b94daa85a23f55f738bb0fb
Author: Logan Rathbone <poprocks gmail com>
Date:   Thu Jun 23 14:39:42 2022 -0400

    flatpak: Disable block device editing on Flatpak
    
    It crashes at this time, and it's probably not a good idea anyway.

 org.gnome.GHex.Devel.json | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/org.gnome.GHex.Devel.json b/org.gnome.GHex.Devel.json
index 8dffca7..337917f 100644
--- a/org.gnome.GHex.Devel.json
+++ b/org.gnome.GHex.Devel.json
@@ -19,7 +19,10 @@
             "name": "ghex",
            "builddir" : true,
             "buildsystem": "meson",
-            "config-opts" : [ "-Ddevelopment=true" ],
+            "config-opts" : [
+                   "-Ddevelopment=true",
+                   "-Ddirect-buffer-backend=false"
+           ],
             "sources": [{
                 "type": "git",
                 "url": "https://gitlab.gnome.org/GNOME/ghex.git";