Bug 842183 - Land in comm-central Instantbird's changes to chat/ - 5 - Bio 1606 - Update to Mozilla 17, patches part, r=fqueze.

chat/modules/imXPCOMUtils.jsm

@@ -60,7 +60,7 @@ function scriptError(aModule, aLevel, aMessage, aOriginalError) {
 
   let scriptError =
     Cc["@mozilla.org/scripterror;1"].createInstance(Ci.nsIScriptError);
-  let caller = Components.stack.caller.caller;
+  let caller = Components.stack.caller;
   let sourceLine = aModule || caller.sourceLine;
   if (caller.name) {
     if (sourceLine)