Add clojure as dependency

Author: pesterhazy

unravel.rb

@@ -3,10 +3,12 @@ class Unravel < Formula
   homepage "https://github.com/pesterhazy/unravel"
   url "https://github.com/Unrepl/unravel/releases/download/v0.3.0-beta.2/unravel.zip"
   sha256 "093b7b4d720afc3b482e6599e13103739ebaf48e8267f0a79d2703b306651777"
-  version "0.3.0-beta.2"
+  version "0.3.0-beta.2-1"
 
   bottle :unneeded
 
+  depends_on "clojure"
+
   def install
     prefix.install Dir["*"]
   end