[gnome-build-meta] sdk/vala-tarball.bst: Update to version 0.36.18 (latest 0.36.x LTS release)

[Rico Tzschichholz <ricotz src gnome org>]

commit 9fd1095d5aa21080ac70b73e0f9b7b4356bd47f0
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Mar 12 13:46:05 2019 +0100

    sdk/vala-tarball.bst: Update to version 0.36.18 (latest 0.36.x LTS release)

 elements/sdk/vala-tarball.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/sdk/vala-tarball.bst b/elements/sdk/vala-tarball.bst
index 23a44130..068b00ec 100644
--- a/elements/sdk/vala-tarball.bst
+++ b/elements/sdk/vala-tarball.bst
@@ -1,7 +1,7 @@
 kind: autotools
 sources:
 - kind: tar
-  url: gnome_downloads:vala/0.36/vala-0.36.14.tar.xz
+  url: gnome_downloads:vala/0.36/vala-0.36.18.tar.xz
 depends:
 - filename: base/bison.bst
   junction: freedesktop-sdk.bst