PivotArea.html in rubyXL-3.3.21

- old
+ new

@@ -2,10 +2,10 @@
 
 <html>
 <head>
 <meta charset="UTF-8">
 
-<title>class RubyXL::PivotArea - rubyXL 3.3.20</title>
+<title>class RubyXL::PivotArea - rubyXL 3.3.21</title>
 
 <script type="text/javascript">
   var rdoc_rel_prefix = "../";
 </script>
 