Fix bug 169801: allow downloads to udpate even when the mouse is tracking a control by adding the timer to the event loop tracking runloop mode.

camino/src/download/ProgressDlgController.mm

@@ -519,6 +519,8 @@ static id gSharedProgressController = nil;
                                                    selector:@selector(setDownloadProgress:)
                                                    userInfo:nil
                                                     repeats:YES] retain];
+  // make sure it fires even when the mouse is down
+  [[NSRunLoop currentRunLoop] addTimer:mDownloadTimer forMode:NSEventTrackingRunLoopMode];
 }
 
 -(NSApplicationTerminateReply)allowTerminate