rinetd - don't use DATA for initial conf file

Formula/rinetd.rb

@@ -16,14 +16,16 @@ class Rinetd <Formula
     bin.install "rinetd"
     man8.install "rinetd.8"
     conf = etc+"rinetd.conf"
-    conf.write(DATA.read) unless conf.exist?
+    conf.write(conf_file) unless conf.exist?
+  end
+
+  def conf_file; <<-EOF.undent
+    # forwarding rules go here
+    #
+    # you may specify allow and deny rules after a specific forwarding rule
+    # to apply to only that forwarding rule
+    #
+    # bindadress bindport connectaddress connectport
+    EOF
   end
 end
-
-__END__
-# forwarding rules come here
-#
-# you may specify allow and deny rules after a specific forwarding rule
-# to apply to only that forwarding rule
-#
-# bindadress bindport connectaddress connectport