jcal: style update

Formula/jcal.rb

@@ -1,9 +1,9 @@
 require 'formula'
 
 class Jcal < Formula
+  homepage 'http://savannah.nongnu.org/projects/jcal/'
   url 'http://download.savannah.gnu.org/releases/jcal/jcal-0.4.1.tar.gz'
   md5 'd4f94ee612494cd0ab0cf1f537aaa33b'
-  homepage 'http://savannah.nongnu.org/projects/jcal/'
 
   def install
     system "/bin/sh autogen.sh"
@@ -15,7 +15,7 @@ class Jcal < Formula
   end
 
   def test
-    system "#{HOMEBREW_PREFIX}/bin/jcal -y"
-    system "#{HOMEBREW_PREFIX}/bin/jdate"
+    system "#{bin}/jcal -y"
+    system "#{bin}/jdate"
   end
 end