Remove writing to /dev/tty during build, screws up dpb display

No bump as this doesn't affect the package.

Noticed by naddy@

textproc/ruby-nokogiri/patches/patch-ext_nokogiri_extconf_rb

@@ -0,0 +1,20 @@
+$OpenBSD: patch-ext_nokogiri_extconf_rb,v 1.1 2014/11/02 00:05:49 jeremy Exp $
+
+Remove writing to /dev/tty during build, it screws up dpb display.
+
+--- ext/nokogiri/extconf.rb.orig	Sat Nov  1 17:01:10 2014
++++ ext/nokogiri/extconf.rb	Sat Nov  1 17:01:50 2014
+@@ -41,13 +41,6 @@ HELP
+ end
+ 
+ def message!(important_message)
+-  message important_message
+-  if !$stdout.tty? && File.chardev?('/dev/tty')
+-    File.open('/dev/tty', 'w') { |tty|
+-      tty.print important_message
+-    }
+-  end
+-rescue Errno::ENXIO
+ end
+ 
+ def do_clean