Add .Xr to libzip(3).

--HG--
branch : HEAD
diff --git a/man/zip_source_file.mdoc b/man/zip_source_file.mdoc
index f6724b7..df0b521 100644
--- a/man/zip_source_file.mdoc
+++ b/man/zip_source_file.mdoc
@@ -1,4 +1,4 @@
-.\" $NiH: zip_source_file.mdoc,v 1.2 2004/11/18 17:26:53 wiz Exp $
+.\" $NiH: zip_source_file.mdoc,v 1.3 2004/12/22 16:37:48 wiz Exp $
 .\"
 .\" zip_source_file.mdoc -- create data source from a file
 .\" Copyright (C) 2004 Dieter Baron and Thomas Klausner
@@ -84,6 +84,7 @@
 failed.
 .El
 .Sh SEE ALSO
+.Xr libzip 3 ,
 .Xr zip_add 3 ,
 .Xr zip_replace 3 ,
 .Xr zip_source_buffer 3 ,