Fix bug 424212, r+sr=sicking, a=beltzner

content/base/src/nsXMLHttpRequest.cpp

@@ -1079,12 +1079,11 @@ nsXMLHttpRequest::GetStatus(PRUint32 *aStatus)
     if (rv == NS_ERROR_NOT_AVAILABLE) {
       // Someone's calling this before we got a response... Check our
       // ReadyState.  If we're at 3 or 4, then this means the connection
-      // errored before we got any data; return a somewhat sensible error code
-      // in that case.
+      // errored before we got any data; return 0 in that case.
       PRInt32 readyState;
       GetReadyState(&readyState);
       if (readyState >= 3) {
-        *aStatus = NS_ERROR_NOT_AVAILABLE;
+        *aStatus = 0;
         return NS_OK;
       }
     }