[gnome-continuous] libgd: force autotools

[Jeremy Bicha <jbicha src gnome org>]

commit d93504a1f1d6d51593bfd4b59caa7209505a7506
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Oct 7 23:03:27 2018 -0400

    libgd: force autotools
    
    we only use libgd here for gedit which still uses autotools
    
    and the libgd meson build only wants to be a subproject I guess

 manifest.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/manifest.json b/manifest.json
index c1aac3f..864ecb8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1273,7 +1273,8 @@
                  "name": "gspell"},
 
                 {"src": "gnome:libgd.git",
-                 "name": "libgd"},
+                 "name": "libgd",
+                 "force-autotools": true},
 
                {"src": "gnome:gedit.git",
                  "name": "gedit"},