[gnome-build-meta/alatiera/clutter-gdk-backend] sdk/clutter.bst: explicitly add gtk3 to the deps

[Jordan Petridis <jpetridis src gnome org>]

commit 36cd9d8454f011722d36100da3978762079ca4a9
Author: Jordan Petridis <jordan centricular com>
Date:   Thu Mar 28 15:10:14 2019 +0200

    sdk/clutter.bst: explicitly add gtk3 to the deps
    
    Needed to build the gdk backedn which clutter default to

 elements/sdk/clutter.bst | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/elements/sdk/clutter.bst b/elements/sdk/clutter.bst
index c802b5cd..b4f9f98e 100644
--- a/elements/sdk/clutter.bst
+++ b/elements/sdk/clutter.bst
@@ -3,6 +3,7 @@ sources:
 - kind: tar
   url: https://download.gnome.org/sources/clutter/1.26/clutter-1.26.2.tar.xz
 depends:
+- sdk/gtk+-3.bst
 - sdk/atk.bst
 - sdk/cogl.bst
 - sdk/gdk-pixbuf.bst