[vala] Fix C code name for types nested in interfaces

[Jürg Billeter <juergbi src gnome org>]

commit 0c739918386e3584c764105a8b3f1131a22396f8
Author: Jürg Billeter <j bitron ch>
Date:   Mon Sep 21 20:24:29 2009 +0200

    Fix C code name for types nested in interfaces

 vala/valainterface.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/vala/valainterface.vala b/vala/valainterface.vala
index 7d831ed..e9ff118 100644
--- a/vala/valainterface.vala
+++ b/vala/valainterface.vala
@@ -277,6 +277,10 @@ public class Vala.Interface : ObjectTypeSymbol {
 		scope.add (d.name, d);
 	}
 
+	public override string get_cprefix () {
+		return get_cname ();
+	}
+
 	public override string get_cname (bool const_type = false) {
 		if (cname == null) {
 			var attr = get_attribute ("CCode");