[gnome-continuous] Update config-opts for accountsservice

[Emmanuele Bassi <ebassi src gnome org>]

commit 41fd732624259658bc7bffe48e81410b89653a6d
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Sep 12 19:14:42 2018 +0100

    Update config-opts for accountsservice
    
    Project moved to Meson and dropped Autotools, so we need to change the
    configuration options.

 manifest.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/manifest.json b/manifest.json
index b9ecdab..95f7c0d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1101,7 +1101,7 @@
                  "name": "gnome-backgrounds"},
 
                {"src": "fd:accountsservice",
-                "config-opts": ["--enable-admin-group=wheel"]},
+                "config-opts": ["-Dadmin_group=wheel"]},
 
                {"src": "gnome:gdm.git",
                  "name": "gdm",