[gnome-control-center] network/connection-editor: Fixup creation of the netmask widget

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit f966c99409a7f0b53bae709c2f60f0eaa1e5856b
Author: Igor Raits <igor raits gmail com>
Date:   Sat Mar 6 22:07:29 2021 +0100

    network/connection-editor: Fixup creation of the netmask widget
    
    Fixes: https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/1274
    Signed-off-by: Igor Raits <igor raits gmail com>

 panels/network/connection-editor/ce-page-ip4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/panels/network/connection-editor/ce-page-ip4.c b/panels/network/connection-editor/ce-page-ip4.c
index c1500f99f..6de6ce607 100644
--- a/panels/network/connection-editor/ce-page-ip4.c
+++ b/panels/network/connection-editor/ce-page-ip4.c
@@ -360,7 +360,7 @@ add_route_row (CEPageIP4   *self,
         gtk_widget_set_hexpand (widget, TRUE);
         gtk_container_add (GTK_CONTAINER (row_box), widget);
 
-        widget = gtk_entry_new ();
+        widget = GTK_WIDGET (ce_netmask_entry_new ());
         g_signal_connect_object (widget, "changed", G_CALLBACK (ce_page_changed), self, G_CONNECT_SWAPPED);
         g_signal_connect_object (widget, "activate", G_CALLBACK (ensure_empty_routes_row), self, 
G_CONNECT_SWAPPED);
         g_object_set_data (G_OBJECT (row), "netmask", widget);