[gnome-control-center] keyboard: Use g_dngettext to allow pluralized 'modified' string

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

commit d0d44dd6cd15d835b59ea31cd467921afc26f680
Author: Claude Paroz <claude 2xlibre net>
Date:   Wed Mar 3 08:27:17 2021 +0100

    keyboard: Use g_dngettext to allow pluralized 'modified' string

 panels/keyboard/cc-keyboard-shortcut-dialog.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/panels/keyboard/cc-keyboard-shortcut-dialog.c b/panels/keyboard/cc-keyboard-shortcut-dialog.c
index c52013a79..0814ead4f 100644
--- a/panels/keyboard/cc-keyboard-shortcut-dialog.c
+++ b/panels/keyboard/cc-keyboard-shortcut-dialog.c
@@ -24,6 +24,7 @@
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
+#include <config.h>
 #include <glib/gi18n.h>
 #include <handy.h>
 
@@ -278,7 +279,11 @@ update_modified_counts (CcKeyboardShortcutDialog *self)
       section_data = g_object_get_data (G_OBJECT (l->data), "data");
       if (section_data->modified_count > 0)
         {
-          modified_text = g_strdup_printf ("%d %s", section_data->modified_count, _("modified"));
+          modified_text = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE,
+                                                        "%d modified",
+                                                        "%d modified",
+                                                        section_data->modified_count),
+                                           section_data->modified_count);
           gtk_label_set_text (section_data->modified_label, modified_text);
         }
       else