GN: Use the correct defaults for templates invoked via target().

tools/gn/functions_target.cc

Index: tools/gn/functions_target.cc
diff --git a/tools/gn/functions_target.cc b/tools/gn/functions_target.cc
index 4e162d54004d0bd3aaeb061cb7165835ae4f8391..8aa7f9319384ebaa7ccdc10d73cf33fe762851a6 100644
--- a/tools/gn/functions_target.cc
+++ b/tools/gn/functions_target.cc
@@ -773,7 +773,7 @@ Value RunTarget(Scope* scope,
   // Run a template if it is one.
   const Template* templ = scope->GetTemplate(target_type);
   if (templ)
-    return templ->Invoke(scope, function, sub_args, block, err);
+    return templ->Invoke(scope, function, target_type, sub_args, block, err);
 
   // Otherwise, assume the target is a built-in target type.
   return ExecuteGenericTarget(target_type.c_str(), scope, function, sub_args,