[vala/0.40] codegen: Fix setting of generic-type properties for gobject style chain up

[Rico Tzschichholz <ricotz src gnome org>]

commit 7f06dd23fbda9465722bc206cf43e75a6e405e9c
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Oct 31 10:39:44 2019 +0100

    codegen: Fix setting of generic-type properties for gobject style chain up
    
    Correctly refer to their canonical names.
    
    See https://bugzilla.gnome.org/show_bug.cgi?id=654702

 codegen/valaccodebasemodule.vala | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 32d800e1c..b8409baca 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -4642,10 +4642,10 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                int type_param_index = 0;
                foreach (var type_arg in type_args) {
                        if (type_parameters != null) {
-                               var type_param_name = type_parameters.get (type_param_index).name.down ();
-                               arg_map.set (get_param_pos (0.1 * type_param_index + 0.01), new CCodeConstant 
("\"%s_type\"".printf (type_param_name)));
-                               arg_map.set (get_param_pos (0.1 * type_param_index + 0.03), new CCodeConstant 
("\"%s_dup_func\"".printf (type_param_name)));
-                               arg_map.set (get_param_pos (0.1 * type_param_index + 0.05), new CCodeConstant 
("\"%s_destroy_func\"".printf (type_param_name)));
+                               var type_param_name = type_parameters.get (type_param_index).name.down 
().replace ("_", "-");
+                               arg_map.set (get_param_pos (0.1 * type_param_index + 0.01), new CCodeConstant 
("\"%s-type\"".printf (type_param_name)));
+                               arg_map.set (get_param_pos (0.1 * type_param_index + 0.03), new CCodeConstant 
("\"%s-dup-func\"".printf (type_param_name)));
+                               arg_map.set (get_param_pos (0.1 * type_param_index + 0.05), new CCodeConstant 
("\"%s-destroy-func\"".printf (type_param_name)));
                        }
 
                        arg_map.set (get_param_pos (0.1 * type_param_index + 0.02), get_type_id_expression 
(type_arg, is_chainup));