[gnome-control-center] network: Really really fix cloned MAC support

[Bastien Nocera <hadess src gnome org>]

commit 6df5cc00ce707657f258dcdf3a5590355fdb1cc6
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Feb 16 13:23:20 2018 +0100

    network: Really really fix cloned MAC support
    
    And now that we're reading a text entry, read the correct one 🙄
    Follow-up to a2a70c7

 panels/network/connection-editor/ce-page-ethernet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/panels/network/connection-editor/ce-page-ethernet.c 
b/panels/network/connection-editor/ce-page-ethernet.c
index 67c4478eb..7b8f5b587 100644
--- a/panels/network/connection-editor/ce-page-ethernet.c
+++ b/panels/network/connection-editor/ce-page-ethernet.c
@@ -96,7 +96,7 @@ ui_to_setting (CEPageEthernet *page)
                 device_mac = ce_page_trim_address (text);
         }
 
-        text = gtk_entry_get_text (GTK_ENTRY (entry));
+        text = gtk_entry_get_text (GTK_ENTRY (page->cloned_mac));
         cloned_mac = ce_page_trim_address (text);
 
         g_object_set (page->setting_wired,