[gnome-build-meta] Revert "Revert "sdk/gcr.bst: gcr now has Meson support""

[Niels De Graef <nielsdg src gnome org>]

commit 3d8345cd377f6b0ec6a738098ea85f83545f73d4
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Sun Jan 5 17:42:27 2020 +0100

    Revert "Revert "sdk/gcr.bst: gcr now has Meson support""
    
    This reverts commit b19e42d306a55a391f5e2b9a6c3a222e560ae810.
    
    Found an easy fix _right_ after the revert got merged, so undoing the
    revert.
    
    For reference: https://gitlab.gnome.org/GNOME/gcr/merge_requests/35

 elements/sdk/gcr.bst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/elements/sdk/gcr.bst b/elements/sdk/gcr.bst
index b7a9dedd..c4656850 100644
--- a/elements/sdk/gcr.bst
+++ b/elements/sdk/gcr.bst
@@ -1,4 +1,4 @@
-kind: autotools
+kind: meson
 sources:
 - kind: git_tag
   url: gitlab_gnome_org:GNOME/gcr.git
@@ -6,7 +6,7 @@ sources:
 build-depends:
 - sdk/gtk-doc.bst
 - sdk/vala.bst
-- freedesktop-sdk.bst:public-stacks/buildsystem-autotools.bst
+- freedesktop-sdk.bst:public-stacks/buildsystem-meson.bst
 depends:
 - sdk/glib.bst
 - sdk/gtk+-3.bst