[gtk+] print dialog: Apply initial capabilities

[Matthias Clasen <matthiasc src gnome org>]

commit a43fce058c3cb69dcca24e58a89d6e0151a35216
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jul 2 18:08:38 2016 -0400

    print dialog: Apply initial capabilities
    
    I was struggling to understand why calling
    gtk_print_unix_dialog_set_manual_capabilities (...,0)
    was not having the expected effect of hiding the preview
    button. The initial capabilities were not applied at all.

 gtk/gtkprintunixdialog.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkprintunixdialog.c b/gtk/gtkprintunixdialog.c
index fbdf51c..82d434a 100644
--- a/gtk/gtkprintunixdialog.c
+++ b/gtk/gtkprintunixdialog.c
@@ -825,6 +825,8 @@ gtk_print_unix_dialog_constructed (GObject *object)
        gtk_header_bar_pack_end (GTK_HEADER_BAR (parent), button);
        g_object_unref (button);
     }
+
+  update_dialog_from_capabilities (GTK_PRINT_UNIX_DIALOG (object));
 }
 
 static void