fix more white spaces to comply with upstream (>_<)

Author: geyang

lib/mj-page.js

@@ -621,15 +621,15 @@ function StartQueue() {
 //  and load a new one (get a fresh MathJax)
 //  
 function RestartMathJax() {
-    console.log('MathJax is restarting...');
+  console.log('MathJax is restarting...');
   if (timer) {
     MathJax.Hub.queue.queue = [];  // clear MathJax queue, so pending operations won't fire
     MathJax = timer = null;
     ReportError("Timeout waiting for MathJax:  restarting");
     serverReady = false;
   }
   serverStarted = true;
-    serverBusy = false;
+  serverBusy = false;
   GetWindow();
   ConfigureMathJax();
   StartMathJax();