[gnome-build-meta] Revert "gsettings-desktop-schemas.bst: switch to meson"

[Jeremy Bicha <jbicha src gnome org>]

commit 94138b9319ddacb3d62d2373005e14534e13212d
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Thu Jan 10 18:11:55 2019 -0500

    Revert "gsettings-desktop-schemas.bst: switch to meson"
    
    This reverts commit 40eb4f3ff732ed3e01a9bcfeb6f34a42bdc5eee1.
    
    See gsettings-desktop-schemas issues 5 and 6

 elements/sdk/gsettings-desktop-schemas.bst | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/elements/sdk/gsettings-desktop-schemas.bst b/elements/sdk/gsettings-desktop-schemas.bst
index a7ffeb1..0fb3da8 100644
--- a/elements/sdk/gsettings-desktop-schemas.bst
+++ b/elements/sdk/gsettings-desktop-schemas.bst
@@ -1,16 +1,20 @@
-kind: meson
+kind: autotools
 sources:
 - kind: git
   url: gitlab_gnome_org:GNOME/gsettings-desktop-schemas
   track: master
 depends:
 - sdk/glib.bst
+- filename: sdk/gnome-common.bst
+  type: build
 - sdk/gobject-introspection.bst
 - filename: base/intltool.bst
   junction: freedesktop-sdk.bst
   type: build
-- filename: base/buildsystem-meson.bst
+- filename: base/buildsystem-autotools.bst
   junction: freedesktop-sdk.bst
   type: build
 - filename: base-platform.bst
   junction: freedesktop-sdk.bst
+variables:
+  conf-local: --enable-introspection=yes