zip_unchange does not use callback functions, remove wrong XXX comment.

--HG--
branch : HEAD
diff --git a/man/zip_unchange.mdoc b/man/zip_unchange.mdoc
index c11079f..9352e34 100644
--- a/man/zip_unchange.mdoc
+++ b/man/zip_unchange.mdoc
@@ -1,4 +1,4 @@
-.\" $NiH: zip_unchange.mdoc,v 1.6 2004/11/30 23:08:21 wiz Exp $
+.\" $NiH: zip_unchange.mdoc,v 1.7 2005/06/09 18:50:27 wiz Exp $
 .\"
 .\" zip_unchange.mdoc -- undo changes to file in zip archive
 .\" Copyright (C) 2003 Dieter Baron and Thomas Klausner
@@ -62,7 +62,6 @@
 .Ar index
 is not a valid file index in
 .Ar zip .
-.\: XXX: also ch_func ZIP_CMD_CLOSE errors
 .El
 .Sh SEE ALSO
 .Xr libzip 3 ,