Fixed some indenting and removed extra whitespaces

calendar/resources/content/menuOverlay.xul

@@ -266,7 +266,7 @@
    
     <menu id="tasksMenu"
          label="&toolsMenu.label;"
-         accesskey="&toolsMenu.accesskey;" >                                                                                       
+         accesskey="&toolsMenu.accesskey;">
       <menupopup id="taskPopup">
          <menuitem id="calendar-wizard-menu"
                    key="wizard_key"