[vala] gidlparser: Support nullable metadata for properties

[Luca Bruno <lucabru src gnome org>]

commit 7e1027c7b93b5b44519a4e742606492a56c0ee38
Author: Luca Bruno <lucabru src gnome org>
Date:   Sat Jun 11 17:32:37 2011 +0200

    gidlparser: Support nullable metadata for properties

 vapigen/valagidlparser.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/vapigen/valagidlparser.vala b/vapigen/valagidlparser.vala
index a1aa1ad..316e420 100644
--- a/vapigen/valagidlparser.vala
+++ b/vapigen/valagidlparser.vala
@@ -2522,6 +2522,10 @@ public class Vala.GIdlParser : CodeVisitor {
 					if (eval (nv[1]) == "1") {
 						prop.experimental = true;
 					}
+				} else if (nv[0] == "nullable") {
+					if (eval (nv[1]) == "1") {
+						prop.property_type.nullable = true;
+					}
 				}
 			}
 		}