[vala] GAsync: Fix finish function for methods with value type out parameters

[Jürg Billeter <juergbi src gnome org>]

commit 4b198ff5a8bf797a0971dfe3e4539d05a6a5f446
Author: Jürg Billeter <j bitron ch>
Date:   Thu Apr 29 10:41:46 2010 +0200

    GAsync: Fix finish function for methods with value type out parameters
    
    Fixes bug 617087.

 codegen/valagasyncmodule.vala |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valagasyncmodule.vala b/codegen/valagasyncmodule.vala
index 435dee5..ab3fb0d 100644
--- a/codegen/valagasyncmodule.vala
+++ b/codegen/valagasyncmodule.vala
@@ -431,7 +431,9 @@ public class Vala.GAsyncModule : GSignalModule {
 		foreach (FormalParameter param in m.get_parameters ()) {
 			if (param.direction != ParameterDirection.IN) {
 				finishblock.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeUnaryExpression (CCodeUnaryOperator.POINTER_INDIRECTION, new CCodeIdentifier (param.name)), new CCodeMemberAccess.pointer (data_var, get_variable_cname (param.name)))));
-				finishblock.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (data_var, get_variable_cname (param.name)), new CCodeConstant ("NULL"))));
+				if (!(param.parameter_type is ValueType) || param.parameter_type.nullable) {
+					finishblock.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (data_var, get_variable_cname (param.name)), new CCodeConstant ("NULL"))));
+				}
 			}
 		}