don't compare bitflags of local and global headers

--HG--
branch : HEAD
diff --git a/lib/zip_open.c b/lib/zip_open.c
index 75c70ee..1e12709 100644
--- a/lib/zip_open.c
+++ b/lib/zip_open.c
@@ -585,7 +585,11 @@
 	   int local2p)
 {
     if ((h1->meta->version_need != h2->meta->version_need)
+#if 0
+	/* some zip-files have different values in local
+	   and global headers for the bitflags */
 	|| (h1->meta->bitflags != h2->meta->bitflags)
+#endif
 	|| (h1->meta->comp_method != h2->meta->comp_method)
 	|| (h1->meta->last_mod != h2->meta->last_mod)
 	|| (h1->meta->crc != h2->meta->crc)