[vala] dova: Fix critical on ellipsis parameter

[Jürg Billeter <juergbi src gnome org>]

commit 946a68d27177cdf1fa9824245164008384a810ac
Author: Jürg Billeter <j bitron ch>
Date:   Sun Sep 26 13:26:23 2010 +0200

    dova: Fix critical on ellipsis parameter

 codegen/valadovaobjectmodule.vala |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valadovaobjectmodule.vala b/codegen/valadovaobjectmodule.vala
index 4d65c26..e8483f9 100644
--- a/codegen/valadovaobjectmodule.vala
+++ b/codegen/valadovaobjectmodule.vala
@@ -1910,7 +1910,9 @@ public class Vala.DovaObjectModule : DovaArrayModule {
 				vdeclarator.add_parameter (cparam);
 			}
 			if (vcall != null) {
-				vcall.add_argument (get_variable_cexpression (param.name));
+				if (param.name != null) {
+					vcall.add_argument (get_variable_cexpression (param.name));
+				}
 			}
 		}