[vala] Fix possibly unassigned parameter

[JÃrg Billeter <juergbi src gnome org>]

commit 2c800595db9ac8479dd991f1c0a71282321b848d
Author: JÃrg Billeter <j bitron ch>
Date:   Tue Jan 24 16:12:01 2012 +0100

    Fix possibly unassigned parameter

 vala/valaproperty.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/vala/valaproperty.vala b/vala/valaproperty.vala
index 1502758..08b17bb 100644
--- a/vala/valaproperty.vala
+++ b/vala/valaproperty.vala
@@ -240,6 +240,7 @@ public class Vala.Property : Symbol, Lockable {
 			}
 		}
 
+		invalid_match = null;
 		return true;
 	}