[mod_auth_pam] mention mod_authnz_external

[Rex Dieter]

commit be7dad65595d348d130cadd3bcfae41e36d30f93
Author: Rex Dieter <rdieter at fedoraproject.org>
Date:   Tue Aug 28 07:56:41 2012 -0500

    mention mod_authnz_external

 dead.package |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/dead.package b/dead.package
index 0f98991..ae82f46 100644
--- a/dead.package
+++ b/dead.package
@@ -1 +1,3 @@
 Package is retired
+
+One possible replacement includes mod_authnz_external