[gimp/gimp-2-10] GIMP-CRITICAL: gimp_marshal_VOID__OBJECT_STRING_STRING: assertion 'n_param_values == 4' failed

[Jehan <jehanp src gnome org>]

commit 57bffb2464bd3c4c058fba36bd86c530c177c700
Author: bootchk <bootchk users noreply github com>
Date:   Fri Dec 18 10:25:20 2020 -0500

    GIMP-CRITICAL: gimp_marshal_VOID__OBJECT_STRING_STRING: assertion 'n_param_values == 4' failed
    
    (cherry picked from commit c6fde648158c10f9aa5039bb8678c72c285721f2)

 app/plug-in/gimppluginmanager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/app/plug-in/gimppluginmanager.c b/app/plug-in/gimppluginmanager.c
index d8952a289f..659dd285fb 100644
--- a/app/plug-in/gimppluginmanager.c
+++ b/app/plug-in/gimppluginmanager.c
@@ -112,7 +112,7 @@ gimp_plug_in_manager_class_init (GimpPlugInManagerClass *klass)
                                    menu_branch_added),
                   NULL, NULL,
                   gimp_marshal_VOID__OBJECT_STRING_STRING,
-                  G_TYPE_NONE, 1,
+                  G_TYPE_NONE, 3,
                   G_TYPE_FILE,
                   G_TYPE_STRING,
                   G_TYPE_STRING);