Make handling of Windows / Linux symmetric when it comes

to "clines". Implemented as a Perl script on Linux.

run-regression.rb

@@ -250,6 +250,8 @@ end
 path_dirs = [ File.expand_path("t/bin") ]
 if RUBY_PLATFORM =~ /mswin/
     path_dirs.unshift File.expand_path("t/bin/windows")
+else
+    path_dirs.unshift File.expand_path("t/bin/unix")
 end
 
 ENV["PATH"] = [

t/bin/unix/clines

@@ -0,0 +1,7 @@
+#!/usr/bin/perl
+
+use strict;
+
+for my $arg (@ARGV) {
+    print "$arg\n";
+}