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Avoid a warning out of the print dialog
Reported in https://bugzilla.gnome.org/show_bug.cgi?id=647152
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@ -1895,7 +1895,7 @@ selected_printer_changed (GtkTreeSelection *selection,
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priv->printer_capabilities = 0;
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if (gtk_printer_is_accepting_jobs (printer))
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if (printer != NULL && gtk_printer_is_accepting_jobs (printer))
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gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, TRUE);
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priv->current_printer = printer;
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