[vala/0.40] libvaladoc: Don't filter-out generic type-parameters of delegates

[Rico Tzschichholz <ricotz src gnome org>]

commit 002fbc6c02d8b1a8d86d1c8d7b41ff82a370561b
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Oct 19 13:51:58 2020 +0200

    libvaladoc: Don't filter-out generic type-parameters of delegates

 libvaladoc/api/delegate.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libvaladoc/api/delegate.vala b/libvaladoc/api/delegate.vala
index 9db4d9f10..2eaf4c24b 100644
--- a/libvaladoc/api/delegate.vala
+++ b/libvaladoc/api/delegate.vala
@@ -96,7 +96,7 @@ public class Valadoc.Api.Delegate : TypeSymbol, Callable {
                signature.append_content (return_type.signature);
                signature.append_symbol (this);
 
-               var type_parameters = get_children_by_type (NodeType.TYPE_PARAMETER);
+               var type_parameters = get_children_by_type (NodeType.TYPE_PARAMETER, false);
                if (type_parameters.size > 0) {
                        signature.append ("<", false);
                        bool first = true;