$OpenBSD: patch-configure,v 1.18 2017/03/13 08:39:13 benoit Exp $

Use GNU readline as our base readline lacks add_history_time().

--- configure.orig	Tue Mar  7 08:52:45 2017
+++ configure	Fri Mar 10 17:03:31 2017
@@ -49287,7 +49287,7 @@ fi
 	    readline_include_dir="$readline_include_dir/readline"
 	fi
         readline_ld_flags="-L$readline_prefix/lib"
-        readline_lib_flags="-lreadline"
+        readline_lib_flags="-lereadline"
         run_readline_test="yes"
     elif test "$readline_requested" = "yes"; then
         if test -n "$readline_include_dir" -a -n "$readline_lib_flags"; then
