[gnome-continuous] Force Autotools build for GJS

[Philip Chimento <pchimento src gnome org>]

commit b5a493e98859114c3f80a208bed1f44db1278b6a
Author: Philip Chimento <philip chimento gmail com>
Date:   Sat Sep 7 10:48:26 2019 -0700

    Force Autotools build for GJS
    
    This is in preparation for opening a merge request with a Meson build
    system.

 manifest.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/manifest.json b/manifest.json
index 0d154a9..500ed0f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -981,6 +981,7 @@
                  "name": "zenity"},
 
                {"src": "gnome:gjs.git",
+                 "force-autotools": true,
                  "name": "gjs"},
 
                {"src": "git:https://github.com/ostreedev/ostree";,