fixed typo

Author: Tim Meusel

manifests/unicorn.pp

@@ -1,5 +1,5 @@
 # this class installs nginx with unicorn infront of puppetmaster
-class puppet:unicorn () {
+class puppet::unicorn () {
   include nginx
 #  nginx::resource::vhost {'puppetmaster':
 #    www_root => '/var/empty',