[vala] gidlparser: Support returns_floating_reference metadata

[Rico Tzschichholz <ricotz src gnome org>]

commit c2b050c372f092eea65560cb1b5e7f6572e28951
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Jul 8 15:41:49 2016 +0200

    gidlparser: Support returns_floating_reference metadata

 vapigen/valagidlparser.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/vapigen/valagidlparser.vala b/vapigen/valagidlparser.vala
index 563eabe..f233019 100644
--- a/vapigen/valagidlparser.vala
+++ b/vapigen/valagidlparser.vala
@@ -2272,6 +2272,11 @@ public class Vala.GIdlParser : CodeVisitor {
                                        if (eval (nv[1]) == "1") {
                                                m.set_attribute ("DestroysInstance", true, 
m.source_reference);
                                        }
+                               } else if (nv[0] == "returns_floating_reference") {
+                                       if (eval (nv[1]) == "1") {
+                                               m.set_attribute_bool ("CCode", "returns_floating_reference", 
true);
+                                               m.return_type.value_owned = true;
+                                       }
                                } else if (nv[0] == "nullable") {
                                        if (eval (nv[1]) == "1" && !(return_type is VoidType)) {
                                                return_type.nullable = true;