[balsa] balsa-message: Pop up the parts menu at the button

[Peter Bloomfield <peterb src gnome org>]

commit a53447fffe52e382f46026ce924a38cdc44c2c7f
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Sat Jun 20 16:21:12 2020 -0400

    balsa-message: Pop up the parts menu at the button

 src/balsa-message.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/balsa-message.c b/src/balsa-message.c
index aea3f608f..f372809e5 100644
--- a/src/balsa-message.c
+++ b/src/balsa-message.c
@@ -241,7 +241,7 @@ balsa_headers_attachments_popup(GtkButton * button, BalsaMessage * balsa_message
 {
     if (balsa_message->parts_popup) {
         gtk_menu_popup_at_widget(GTK_MENU(balsa_message->parts_popup),
-                                 GTK_WIDGET(balsa_message),
+                                 GTK_WIDGET(balsa_message->attach_button),
                                  GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER,
                                  NULL);
     }