[gtk/settings-portal-for-3: 1/3] Use a simpler sandbox check

[Matthias Clasen <matthiasc src gnome org>]

commit fb709e96f1b6fedd8cdc1ecf80963a83bf845702
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Nov 1 13:31:10 2018 -0400

    Use a simpler sandbox check
    
    No need to use the runtime dir and allocate a string.
    We can just check in /.

 gdk/gdk.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)
---
diff --git a/gdk/gdk.c b/gdk/gdk.c
index d2e82ccc5b..f4e4413300 100644
--- a/gdk/gdk.c
+++ b/gdk/gdk.c
@@ -471,14 +471,7 @@ gdk_display_open_default (void)
 gboolean
 gdk_running_in_sandbox (void)
 {
-  char *path;
-  gboolean ret;
-
-  path = g_build_filename (g_get_user_runtime_dir (), "flatpak-info", NULL);
-  ret = g_file_test (path, G_FILE_TEST_EXISTS);
-  g_free (path);
-
-  return ret;
+  return g_file_test ("/.flatpak-info", G_FILE_TEST_EXISTS);
 }
 
 /**