Fixed windows support

Change-Id: I042ab736bb0fc6e7dce17c330b3bc663be60cc79
diff --git a/t/sgbr/meta_duden.t b/t/sgbr/meta_duden.t
index a375307..14f9746 100644
--- a/t/sgbr/meta_duden.t
+++ b/t/sgbr/meta_duden.t
@@ -17,7 +17,7 @@
 
 ok($doc->parse, 'Parse document');
 
-like($doc->path, qr!$path/!, 'Path');
+like($doc->path, qr!\Q$path\E/!, 'Path');
 
 # Metdata
 is($doc->text_sigle, 'PRO-DUD/BSP-2013-01/32', 'ID-text');