[gnome-build-meta] Update gnome-software configure args

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 8d4d462808d7fb296f9dfb8edf8f91983897360b
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Fri Jul 20 06:56:50 2018 -0500

    Update gnome-software configure args

 elements/core/gnome-software.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/core/gnome-software.bst b/elements/core/gnome-software.bst
index 3e3a226..f2294d6 100644
--- a/elements/core/gnome-software.bst
+++ b/elements/core/gnome-software.bst
@@ -20,4 +20,4 @@ depends:
 - filename: base.bst
   junction: freedesktop-sdk.bst
 variables:
-  meson-local: -Denable-rpm=false -Denable-fwupd=false -Denable-flatpak=false
+  meson-local: -Dfwupd=false -Dflatpak=false