ssh: Fix xauth package name for Debian/Ubuntu

ssh/manifests/init.pp

@@ -117,8 +117,18 @@ class ssh::server {
         }
 
         # Needed for X11 Forwarding
-        package { "xorg-x11-xauth":
+        case $::operatingsystem {
-          ensure => installed,
+            "centos","redhat","fedora": {
+                package { "xorg-x11-xauth":
+                    ensure => installed,
+                }
+            }
+            "debian","ubuntu": {
+                package { "libxau6":
+                    ensure => installed,
+                }
+            }
+            default: {}
         }
     }