[gnome-builder] ide: Invokable ref-methods should return an unowned reference in vala

[Christian Hergert <chergert src gnome org>]

commit 6a750a5599205a7bae789c5bca6fb79dd8dd7f06
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Sep 25 22:56:22 2017 +0200

    ide: Invokable ref-methods should return an unowned reference in vala

 src/libide/Ide-1.0.metadata |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/libide/Ide-1.0.metadata b/src/libide/Ide-1.0.metadata
new file mode 100644
index 0000000..34f95b4
--- /dev/null
+++ b/src/libide/Ide-1.0.metadata
@@ -0,0 +1 @@
+*.ref unowned