[gtk/gtk-4-4] GtkApplication: Call setlocale early

[Matthias Clasen <matthiasc src gnome org>]

commit 022b396a06967896c79715fc0b8db00556a37c20
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 6 01:37:51 2021 -0400

    GtkApplication: Call setlocale early
    
    If we don't call setlocale early enough,
    --help output may come out misformatted.
    
    Fixes: #4234

 gtk/gtkapplication.c | 3 +++
 gtk/gtkmain.c        | 2 +-
 gtk/gtkprivate.h     | 2 ++
 3 files changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkapplication.c b/gtk/gtkapplication.c
index c26e15cadb..1408c0d9d2 100644
--- a/gtk/gtkapplication.c
+++ b/gtk/gtkapplication.c
@@ -294,6 +294,9 @@ gtk_application_local_command_line (GApplication   *application,
                                     char         ***arguments,
                                     int            *exit_status)
 {
+  /* We need to call setlocale() here so --help output works */
+  setlocale_initialization ();
+
   return G_APPLICATION_CLASS (gtk_application_parent_class)->local_command_line (application, arguments, 
exit_status);
 }
 
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index e498822212..6dd0f7e871 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -362,7 +362,7 @@ enum_locale_proc (LPTSTR locale)
   
 #endif
 
-static void
+void
 setlocale_initialization (void)
 {
   static gboolean initialized = FALSE;
diff --git a/gtk/gtkprivate.h b/gtk/gtkprivate.h
index 8cb11c761c..3495e07efc 100644
--- a/gtk/gtkprivate.h
+++ b/gtk/gtkprivate.h
@@ -150,6 +150,8 @@ GBytes *get_emoji_data (void);
 
 char * _gtk_elide_underscores (const char *original);
 
+void setlocale_initialization (void);
+
 G_END_DECLS
 
 #endif /* __GTK_PRIVATE_H__ */