Typo in Stumbleupon profile name, fixes metacpan#262

Author: monken

root/preprocess.html

@@ -32,7 +32,7 @@
   sourceforge = { name = 'SourceForge', url = 'http://sourceforge.net/u/%s/profile/' },
   stackoverflow = { name = 'StackOverflow', url = 'http://stackoverflow.com/users/%s/' },
   steam = { name = 'Steam', url = 'http://steamcommunity.com/id/%s' },
-  stumbleupon = { name = 'Stumpleupon', url = 'http://www.stumbleupon.com/stumbler/%s/' },
+  stumbleupon = { name = 'StumbleUpon', url = 'http://www.stumbleupon.com/stumbler/%s/' },
   tumblr = { name = 'Tumblr', url = 'http://%s.tumblr.com/' },
   twitter = { name = 'Twitter', url = 'http://twitter.com/%s' },
   vimeo = { name = 'Vimeo', url = 'http://vimeo.com/%s' },