Fixed windows support

Change-Id: I042ab736bb0fc6e7dce17c330b3bc663be60cc79
diff --git a/t/annotation/meta.t b/t/annotation/meta.t
index f641ccf..d4773d7 100644
--- a/t/annotation/meta.t
+++ b/t/annotation/meta.t
@@ -16,7 +16,7 @@
 
 ok(my $doc = KorAP::XML::Krill->new( path => $path . '/' ), 'Load Korap::Document');
 ok($doc->parse, 'Parse document');
-like($doc->path, qr!$path/!, 'Path');
+like($doc->path, qr!\Q$path\E/!, 'Path');
 
 # Metdata
 is($doc->text_sigle, 'Corpus/Doc/0001', 'ID-text');