(perl #133706) remove exploit code from Storable

Storable packaged the metasploit framework code for CVE-2015-1592,
which triggered virus scanners.

To prevent that remove the packaged exploit code and test for the
underlying structure we trigger the warning on.

MANIFEST

@@ -3662,7 +3662,6 @@ dist/Storable/t/code.t			See if Storable works
 dist/Storable/t/compat01.t		See if Storable works
 dist/Storable/t/compat06.t		See if Storable works
 dist/Storable/t/croak.t			See if Storable works
-dist/Storable/t/CVE-2015-1592.inc	See if Storable works
 dist/Storable/t/CVE-2015-1592.t		See if Storable works
 dist/Storable/t/dclone.t		See if Storable works
 dist/Storable/t/destroy.t		Test Storable in global destructon

dist/Storable/t/CVE-2015-1592.t

@@ -1,22 +1,21 @@
 #!/usr/bin/perl
 
 use strict;
+use warnings;
 use Test::More;
+use Storable qw(freeze thaw);
 plan tests => 1;
 
-use File::Temp qw(tempdir);
-use File::Spec;
-my $tmp_dir = tempdir(CLEANUP => 1);
-my $tmp_file = File::Spec->catfile($tmp_dir, 'sploit');
+# this original worked with the packaged exploit, but that
+# triggers virus scanners, so test for the behaviour instead
+my $x = bless \(my $y = "mt-config.cgi"), "CGITempFile";
+
+my $frozen = freeze($x);
 
-my $file = __FILE__;
-$file =~ s/\.t$/.inc/;
-my $inc = $ENV{PERL_CORE} ? "-Ilib -I../../lib" : "-I".join(" -I", @INC);
-system qq($^X $inc -w "$file" 2>$tmp_file);
-open(my $fh, "<", $tmp_file) or die "$tmp_file $!";
 {
-  local $/;
-  my $err = <$fh>;
-  like($err, qr/SECURITY: Movable-Type CVE-2015-1592 Storable metasploit attack/,
-       'Detect CVE-2015-1592');
+    my $warnings = '';
+    local $SIG{__WARN__} = sub { $warnings .= "@_" };
+    thaw($frozen);
+    like($warnings, qr/SECURITY: Movable-Type CVE-2015-1592 Storable metasploit attack/,
+         'Detect CVE-2015-1592');
 }