#1634 - Update file resource syntax in module nginx

modules/nginx/manifests/init.pp

 class nginx (
     $worker_processes = $nginx::params::worker_processes,
     $worker_connections = $nginx::params::worker_connections,
     $ssl_session_cache =  $nginx::params::ssl_session_cache,
     $geoip_country = undef,
     $geoip_city = undef,
   ) inherits nginx::params {
 
   # Class['ssh'] is assumed to handle SSL-related quirks and therefore
   # the inclusion here became necessary.
@@ skipping 40 matching lines @@
   }
 
   user {'nginx':
     ensure => 'present',
     require => Package['nginx'],
   }
 
   File {
     owner => root,
     group => root,
-    mode => 0644,
+    mode => '0644',
   }
 
   Exec {
     path => '/usr/bin:/bin',
     logoutput => 'on_failure',
   }
 
 
   file {'/etc/nginx/nginx.conf':
     content => template('nginx/nginx.conf.erb'),
@@ skipping 12 matching lines @@
   }
 
   file {'/var/cache/nginx':
     before => Service['nginx'],
     ensure => directory,
     require => Package['nginx'],
   }
 
   @file {'/etc/nginx/dhparam.pem':
     ensure => 'present',
-    mode => 0600,
+    mode => '0600',
     notify => Service['nginx'],
     require => Package['nginx'],
     source => 'puppet:///modules/private/dhe_rsa_export.pem',
   }
 
   define hostconfig (
       $domain = $title,
       $alt_names = [],
       $log,
       $log_format = 'main',
@@ skipping 10 matching lines @@
       require => Package['nginx'],
       notify => Service['nginx'],
     }
 
     if $certificate and $private_key {
       realize(File['/etc/nginx/dhparam.pem'])
 
       if !defined(File["/etc/nginx/${certificate}"]) {
         file {"/etc/nginx/${certificate}":
           ensure => file,
-          mode => 0400,
+          mode => '0400',
           notify => Service['nginx'],
           before => File["/etc/nginx/sites-available/${domain}"],
           require => Package['nginx'],
           source => "puppet:///modules/private/${certificate}"
         }
       }
 
       if !defined(File["/etc/nginx/${private_key}"]) {
         file {"/etc/nginx/${private_key}":
           ensure => file,
-          mode => 0400,
+          mode => '0400',
           notify => Service['nginx'],
           before => File["/etc/nginx/sites-available/${domain}"],
           require => Package['nginx'],
           source => "puppet:///modules/private/${private_key}"
         }
       }
 
       if !defined(File["/etc/nginx/sites-available/${certificate}"]) {
         file {"/etc/nginx/sites-available/${certificate}":
           ensure => absent
@@ skipping 82 matching lines @@
     ensure => running,
     enable => true,
     restart => $restart_command,
     hasstatus => true,
     require => Package['nginx'],
   }
 
   Service['nginx'] <~ Class['ssh']
 
   file {'/usr/share/nginx/html/50x.html':
-    mode => 0644,
+    mode => '0644',
     owner => 'root',
     require => Package['nginx'],
     source => 'puppet:///modules/nginx/50x.html',
   }
 }