[gtk+] gtkclipboard: Fix typo

[Carlos Garnacho <carlosg src gnome org>]

commit 546433a4b7f936dc30d71104f7e6ddae2e0d9b9d
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed May 10 20:20:50 2017 +0200

    gtkclipboard: Fix typo
    
    The standard atom is UTF8_STRING.

 gtk/gtkclipboard.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkclipboard.c b/gtk/gtkclipboard.c
index b671128..5314c82 100644
--- a/gtk/gtkclipboard.c
+++ b/gtk/gtkclipboard.c
@@ -1044,7 +1044,7 @@ request_text_received_func (GtkClipboard     *clipboard,
       if (target == gdk_atom_intern_static_string ("text/plain;charset=utf-8"))
         {
           gtk_clipboard_request_contents (clipboard,
-                                          gdk_atom_intern_static_string ("UTF8_TEXT"),
+                                          gdk_atom_intern_static_string ("UTF8_STRING"),
                                           request_text_received_func, info);
           return;
         }