call .init(null) on created nsITransferable instance

fixes private browsing mode with FF 16

diff --git a/chrome/content/icedeb.js b/chrome/content/icedeb.js
index 19cf1207f1a64fc3dc798c94ddb04d43353270ee..a6d00da93020599b903f7f0d38e7359d6c595cbc 100644 (file)
--- a/chrome/content/icedeb.js
+++ b/chrome/content/icedeb.js
@@ -8,6 +8,9 @@ IceDeb = {
             .createInstance(Components.interfaces.nsITransferable);
         if (!trans) return null;
 
+        if (typeof(trans.init) === 'function')
+            trans.init(null);
+
         trans.addDataFlavor("text/unicode");
         clip.getData(trans,
                 clip.supportsSelectionClipboard()