$NetBSD: patch-src_dune,v 1.1 2019/03/19 11:02:59 jaapb Exp $

Removed unknown argument
--- src/dune.orig	2019-02-13 10:33:20.000000000 +0000
+++ src/dune
@@ -1,3 +1,3 @@
 (library (name async) (public_name async)
  (libraries async_extra async_kernel async_unix core)
- (preprocess (pps ppx_jane -check-doc-comments)))
\ No newline at end of file
+ (preprocess (pps ppx_jane)))
