From a9206c4e3ce3be6327467363e5d66c7d02cc4c72 Mon Sep 17 00:00:00 2001
From: Kris Maglione <maglione.k@gmail.com>
Date: Sat, 9 Oct 2010 17:03:57 -0400
Subject: [PATCH] Fix startup in permanent private browsing mode.

---
 common/modules/sanitizer.jsm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/common/modules/sanitizer.jsm b/common/modules/sanitizer.jsm
index 0c57a174..f262e5ea 100644
--- a/common/modules/sanitizer.jsm
+++ b/common/modules/sanitizer.jsm
@@ -292,8 +292,12 @@ const Sanitizer = Module("sanitizer", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakR
                 "Set the 'private browsing' option",
                 "boolean", false,
                 {
-                    setter: function (value) services.get("privateBrowsing").privateBrowsingEnabled = value,
-                    getter: function () services.get("privateBrowsing").privateBrowsingEnabled
+                    initialValue: true,
+                    getter: function () services.get("privateBrowsing").privateBrowsingEnabled,
+                    setter: function (value) {
+                        if (services.get("privateBrowsing").privateBrowsingEnabled != value)
+                            services.get("privateBrowsing").privateBrowsingEnabled = value
+                    }
                 });
 
         options.add(["sanitizeitems", "si"],