[ghex] appwin: Properly translate a couple of strings

[Logan Rathbone <larathbone src gnome org>]

commit e5dcc180b426941ee97dcc4c2cd91211722a0cd2
Author: Logan Rathbone <poprocks gmail com>
Date:   Fri Jun 17 12:35:43 2022 -0400

    appwin: Properly translate a couple of strings
    
    These were very recently added and I marked them for translation with N_
    but did not properly call gettext on them at runtime.

 src/ghex-application-window.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)
---
diff --git a/src/ghex-application-window.c b/src/ghex-application-window.c
index b36ce14..91da0e4 100644
--- a/src/ghex-application-window.c
+++ b/src/ghex-application-window.c
@@ -46,7 +46,7 @@
 /* Translators: this is the string for an untitled buffer that will
  * be displayed in the titlebar when a user does File->New
  */
-#define UNTITLED_STRING N_("Untitled")
+static const char *UNTITLED_STRING = N_("Untitled");
 
 static GFile *tmp_global_gfile_for_nag_screen;
 
@@ -586,7 +586,7 @@ update_tabs (GHexApplicationWindow *self)
        if (gfile)
                basename = g_file_get_basename (gfile);
        else
-               basename = g_strdup (UNTITLED_STRING);
+               basename = g_strdup (_(UNTITLED_STRING));
 
        adw_tab_page_set_title (TAB_FOR_GH (gh), basename);
        g_free (basename);
@@ -796,7 +796,7 @@ update_titlebar (GHexApplicationWindow *self)
                if (G_IS_FILE (file = hex_document_get_file (doc)))
                        basename = g_file_get_basename (file);
                else
-                       basename = g_strdup (UNTITLED_STRING);
+                       basename = g_strdup (_(UNTITLED_STRING));
 
                title = g_strdup_printf ("%s - GHex", basename);
                gtk_window_set_title (GTK_WINDOW(self), title);
@@ -2059,9 +2059,8 @@ doc_read_ready_cb (GObject *source_object,
                }
                else
                {
-                       char *generic_errmsg = N_("There was an error reading the file.");
-
-                       display_error_dialog (GTK_WINDOW(self), generic_errmsg);
+                       display_error_dialog (GTK_WINDOW(self),
+                                       _("There was an error reading the file."));
                }
        }
        extra_user_data = NULL;