[vala/staging] codegen: Add source_reference to unsupported floating reference error

[Rico Tzschichholz <ricotz src gnome org>]

commit b00f9172845d74a0175b3216ebcc0f4f0b0973b3
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Jul 26 11:02:19 2018 +0200

    codegen: Add source_reference to unsupported floating reference error

 codegen/valaccodebasemodule.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 57d277de4..657d7ddbb 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -5868,7 +5868,7 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                                        ccode.close ();
                                }
                        } else {
-                               Report.error (null, "type `%s' does not support floating references".printf 
(type.data_type.name));
+                               Report.error (node.source_reference, "type `%s' does not support floating 
references".printf (type.data_type.name));
                        }
                }