nscd: Fix error "cannot stat() file `/etc/netgroup': No such file or directory" from nscd startup.

nscd/manifests/init.pp

@@ -10,7 +10,16 @@ class nscd {
     service { "nscd":
         ensure  => running,
         enable  => true,
-        require => Package["nscd"],
+        require => [ File["/etc/netgroup"], Package["nscd"], ],
+    }
+
+    if !defined(File["/etc/netgroup"]) {
+        file { "/etc/netgroup":
+            ensure => present,
+            mode   => "0644",
+            owner  => "root",
+            group  => "root",
+        }
     }
 
 }