Fix memory leak by using Path::Iterator::Rule

Change-Id: I16967fb0801e2be0491e61c6dfaa28a4ebc4b742
diff --git a/Makefile.PL b/Makefile.PL
index 8c56aff..f4e3025 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -41,6 +41,7 @@
     'Config::Simple'  => 4.58,
     'String::Random'  => 0.32,
     'File::Path'      => 2.18,
+    'Path::Iterator::Rule' => 1.015,
     'Archive::Tar'    => 2.40,
     'Archive::Tar::Stream' => 0.02,
     'Clone'           => 0.45,