[gnome-text-editor/mcatanzaro/missing-mnemonic] savechangesdialog: add missing mnemonics for Discard action

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 4c686f023c8a79a97338d6c1f7264505a7a4a224
Author: Michael Catanzaro <mcatanzaro redhat com>
Date:   Mon Oct 11 15:10:39 2021 -0500

    savechangesdialog: add missing mnemonics for Discard action

 src/editor-save-changes-dialog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/editor-save-changes-dialog.c b/src/editor-save-changes-dialog.c
index 8a50699..acbe78a 100644
--- a/src/editor-save-changes-dialog.c
+++ b/src/editor-save-changes-dialog.c
@@ -254,7 +254,7 @@ _editor_save_changes_dialog_new (GtkWindow *parent,
   requests = g_array_new (FALSE, FALSE, sizeof (SaveRequest));
   g_array_set_clear_func (requests, save_request_clear);
 
-  discard_label = g_dngettext (GETTEXT_PACKAGE, _("Discard"), _("Discard All"), pages->len);
+  discard_label = g_dngettext (GETTEXT_PACKAGE, _("_Discard"), _("_Discard All"), pages->len);
 
   dialog = gtk_message_dialog_new (parent,
                                    GTK_DIALOG_MODAL | GTK_DIALOG_USE_HEADER_BAR,