[vala] dova: Fix memory management of interfaces

[Jürg Billeter <juergbi src gnome org>]

commit 0944192590226ec6d0b296c06d96f2d57f161e65
Author: Jürg Billeter <j bitron ch>
Date:   Thu Feb 18 08:32:56 2010 +0100

    dova: Fix memory management of interfaces
    
    Fixes bug 609089.

 vala/valasymbolresolver.vala |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/vala/valasymbolresolver.vala b/vala/valasymbolresolver.vala
index 15e6382..d5adcd3 100644
--- a/vala/valasymbolresolver.vala
+++ b/vala/valasymbolresolver.vala
@@ -120,6 +120,14 @@ public class Vala.SymbolResolver : CodeVisitor {
 			}
 		}
 
+		if (context.profile == Profile.DOVA) {
+			// all interfaces require Object
+			if (iface.get_prerequisites ().size == 0) {
+				var object_class = (Class) root_symbol.scope.lookup ("Dova").scope.lookup ("Object");
+				iface.add_prerequisite (new ObjectType (object_class));
+			}
+		}
+
 		current_scope = current_scope.parent_scope;
 	}