[gnome-control-center] Printers: Don't crash because of external panel switch

[Marek KaÅÃk <mkasik src gnome org>]

commit 5421c92eb624f664c98ff08a1f3a179928e36b52
Author: Marek Kasik <mkasik redhat com>
Date:   Mon Dec 12 12:56:00 2011 +0100

    Printers: Don't crash because of external panel switch
    
    Don't crash when exiting from new printer dialog due to external change
    of panel (e.g. clicking "Network Settings" during run of the new printer
    dialog). (rhbz #760587)

 panels/printers/cc-printers-panel.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/panels/printers/cc-printers-panel.c b/panels/printers/cc-printers-panel.c
index 098647a..dd54c9d 100644
--- a/panels/printers/cc-printers-panel.c
+++ b/panels/printers/cc-printers-panel.c
@@ -136,6 +136,12 @@ cc_printers_panel_dispose (GObject *object)
   CcPrintersPanelPrivate *priv = CC_PRINTERS_PANEL (object)->priv;
   int                     i;
 
+  if (priv->pp_new_printer_dialog)
+    {
+      pp_new_printer_dialog_free (priv->pp_new_printer_dialog);
+      priv->pp_new_printer_dialog = NULL;
+    }
+
   free_dests (CC_PRINTERS_PANEL (object));
 
   if (priv->num_jobs > 0)