[gnome-builder] gui: add URL to upstream issues

[Christian Hergert <chergert src gnome org>]

commit f07e2953401c0e4e86abce734995836e2c909de1
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 11 15:42:26 2020 -0700

    gui: add URL to upstream issues

 src/libide/gui/ide-application.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/libide/gui/ide-application.c b/src/libide/gui/ide-application.c
index ce3d466b6..efebb5a17 100644
--- a/src/libide/gui/ide-application.c
+++ b/src/libide/gui/ide-application.c
@@ -587,6 +587,8 @@ ide_application_has_network (IdeApplication *self)
        *
        * See https://gitlab.gnome.org/GNOME/glib/merge_requests/227 for more
        * information about when this is fixed.
+       *
+       * See Also: https://gitlab.gnome.org/GNOME/glib/-/issues/1718
        */
       if (!self->has_network && ide_is_flatpak ())
         self->has_network = TRUE;