[gtk+] gtkdnd: Use gdk_drag_begin_for_device()

[Carlos Garnacho <carlosg src gnome org>]

commit e3012dc9b303ccc8b0301e7702b5cec0368da59a
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Nov 19 20:00:23 2015 +0100

    gtkdnd: Use gdk_drag_begin_for_device()
    
    We've got the pointer at hand there, just pass that instead of figuring
    out from the client pointer.

 gtk/gtkdnd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkdnd.c b/gtk/gtkdnd.c
index 58d0395..42bf8f1 100644
--- a/gtk/gtkdnd.c
+++ b/gtk/gtkdnd.c
@@ -2456,7 +2456,7 @@ gtk_drag_begin_internal (GtkWidget         *widget,
 
   source_widgets = g_slist_prepend (source_widgets, ipc_widget);
 
-  context = gdk_drag_begin (ipc_window, targets);
+  context = gdk_drag_begin_for_device (ipc_window, pointer, targets);
   gdk_drag_context_set_device (context, pointer);
   g_list_free (targets);