[gtk+/gtk-2-24] Set translation domain for parameter_string in gtk_init_with_args

[Daniel Boles <dboles src gnome org>]

commit c12dd8f0b9205e442e878659cccbd9b7d6df38ca
Author: Ingo Brückl <ib wupperonline de>
Date:   Thu Jul 20 11:27:29 2017 +0200

    Set translation domain for parameter_string in gtk_init_with_args
    
    This was requested in bug 554926.
    
    Backport of original commit e3bd926c1ef83027c756488ba19f4353930fc6db by
    Gabor Kelemen, kelemeng at gnome dot hu, applied to GTK+ 2.90.5 on Tue,
    10 Aug 2010 04:13:22 +0000 (UTC).
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785165

 gtk/gtkmain.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 4fb791d..8c331a7 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -876,7 +876,7 @@ gtk_get_option_group (gboolean open_default_display)
  *    of #GOptionEntry<!-- -->s describing the options of your program
  * @translation_domain: a translation domain to use for translating
  *    the <option>--help</option> output for the options in @entries
- *    with gettext(), or %NULL
+ *    and the @parameter_string with gettext(), or %NULL
  * @error: a return location for errors 
  *
  * This function does the same work as gtk_init_check(). 
@@ -915,6 +915,8 @@ gtk_init_with_args (int            *argc,
   context = g_option_context_new (parameter_string);
   g_option_context_add_group (context, gtk_group);
   
+  g_option_context_set_translation_domain (context, translation_domain);
+
   if (entries)
     g_option_context_add_main_entries (context, entries, translation_domain);
   retval = g_option_context_parse (context, argc, argv, error);