[balsa/wip/gtk4] balsa-mime-widget-text: is not a GtkWidget

[Peter Bloomfield <peterb src gnome org>]

commit d96d54379d63704f3a5aa35747b32baf1f8792d4
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Fri Sep 27 22:46:54 2019 -0400

    balsa-mime-widget-text: is not a GtkWidget
    
    in this branch, so we must use the old _get_widget method.

 src/balsa-mime-widget-text.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/balsa-mime-widget-text.c b/src/balsa-mime-widget-text.c
index d729d539a..cd5b43e11 100644
--- a/src/balsa-mime-widget-text.c
+++ b/src/balsa-mime-widget-text.c
@@ -242,8 +242,8 @@ balsa_mime_widget_text_init(BalsaMimeWidgetText * self)
     g_action_map_add_action_entries(G_ACTION_MAP(simple),
                                     win_entries, G_N_ELEMENTS(win_entries),
                                     self);
-    gtk_widget_insert_action_group(GTK_WIDGET(self), "win", G_ACTION_GROUP(simple));
-    g_object_unref(simple);
+    gtk_widget_insert_action_group(balsa_mime_widget_get_widget(BALSA_MIME_WIDGET(self)),
+                                   "win", G_ACTION_GROUP(simple));
 }
 
 /*