style.css in md2man-2.1.1

- old
+ new

@@ -1,5 +1,5 @@
-@import url('http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.no-icons.min.css');
+@import url('https://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.no-icons.min.css');
 
 @media all {
   h1,
   h2,
   h3,