[vala] GIR writer: Fix critical warnings

[Jürg Billeter <juergbi src gnome org>]

commit f5e09e95b79225b0baaa4396bd5d8d2092e7a61f
Author: Jürg Billeter <j bitron ch>
Date:   Thu Apr 30 23:10:22 2009 +0200

    GIR writer: Fix critical warnings
---
 gobject/valagirwriter.vala |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/gobject/valagirwriter.vala b/gobject/valagirwriter.vala
index 9395143..407942d 100644
--- a/gobject/valagirwriter.vala
+++ b/gobject/valagirwriter.vala
@@ -633,7 +633,7 @@ public class Vala.GIRWriter : CodeVisitor {
 		} else if (type is PointerType) {
 			write_indent ();
 			stream.printf ("<type name=\"any\" c:type=\"%s\"/>\n", type.get_cname ());
-		} else {
+		} else if (type.data_type != null) {
 			write_indent ();
 			stream.printf ("<type name=\"%s\" c:type=\"%s\"", gi_type_name (type.data_type), type.get_cname ());
 
@@ -652,6 +652,9 @@ public class Vala.GIRWriter : CodeVisitor {
 				write_indent ();
 				stream.printf ("</type>\n");
 			}
+		} else {
+			write_indent ();
+			stream.printf ("<type name=\"%s\"/>\n", type.to_string ());
 		}
 	}