[vala] girwriter: fall back on gir_namespace if GIR name is not available

[Evan Nemerson <evann src gnome org>]

commit 4e603584237ba6c83f3aee1f819975c077939669
Author: Evan Nemerson <evan nemerson com>
Date:   Thu Jun 26 21:47:09 2014 -0700

    girwriter: fall back on gir_namespace if GIR name is not available

 codegen/valagirwriter.vala |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valagirwriter.vala b/codegen/valagirwriter.vala
index d2a2266..9ef70a6 100644
--- a/codegen/valagirwriter.vala
+++ b/codegen/valagirwriter.vala
@@ -1338,7 +1338,15 @@ public class Vala.GIRWriter : CodeVisitor {
        }
 
        private string? get_full_gir_name (Symbol sym) {
-               var gir_name = sym.get_attribute_string ("GIR", "name") ?? sym.name;
+               string? gir_name = sym.get_attribute_string ("GIR", "name");
+
+               if (gir_name == null && sym is Namespace) {
+                       gir_name = sym.get_attribute_string ("CCode", "gir_namespace");
+               }
+               if (gir_name == null) {
+                       gir_name = sym.name;
+               }
+
                if (sym.parent_symbol == null) {
                        return gir_name;
                }