[Vala] [PATCH] Also call g_object_unref for lists of interfaces.

[Mathias Hasselmann <mathias hasselmann gmx de>]

Guess any implementation of a GObject interface extends - so it should be
safe to unconditionally use g_object_unref on lists of interfaces.
---
 trunk/vala/vala/valacodegenerator.vala |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/trunk/vala/vala/valacodegenerator.vala b/trunk/vala/vala/valacodegenerator.vala
index 3908e06..5f22c67 100644
--- a/trunk/vala/vala/valacodegenerator.vala
+++ b/trunk/vala/vala/valacodegenerator.vala
@@ -2152,16 +2152,18 @@ public class Vala.CodeGenerator : CodeVisitor {
                if (unref_function == "g_list_free") {
                        bool is_ref = false;
                        bool is_class = false;
-                       var type_args = type.get_type_arguments ();
-                       foreach (TypeReference type_arg in type_args) {
-                               is_ref = type_arg.takes_ownership;
-                               is_class = type_arg.data_type is Class;
+                       bool is_interface = false;
+
+                       foreach (TypeReference type_arg in type.get_type_arguments ()) {
+                               is_ref |= type_arg.takes_ownership;
+                               is_class |= type_arg.data_type is Class;
+                               is_interface |= type_arg.data_type is Interface;
                        }
                        
                        if (is_ref) {
                                var cunrefcall = new CCodeFunctionCall (new CCodeIdentifier 
("g_list_foreach"));
                                cunrefcall.add_argument (cvar);
-                               if (is_class) {
+                               if (is_class || is_interface) {
                                        cunrefcall.add_argument (new CCodeIdentifier ("(GFunc) 
g_object_unref"));
                                } else {
                                        cunrefcall.add_argument (new CCodeIdentifier ("(GFunc) g_free"));
-- 
1.4.4.2