Make ticgitweb depend on sass.

Index: devel/bin/ticgitweb
===================================================================
--- devel.orig/bin/ticgitweb	2009-07-26 13:26:58.000000000 +0200
+++ devel/bin/ticgitweb	2009-07-26 13:26:59.000000000 +0200
@@ -8,7 +8,7 @@
 # author : Scott Chacon (schacon@gmail.com)
 #
 
-%w(sinatra git ticgit haml).each do |dependency|
+%w(sinatra git ticgit haml sass).each do |dependency|
   begin
     require dependency
   rescue LoadError => e
