Issue 3062 - Explicitly ensure /var/cache/nginx being present

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 {
 
   apt::ppa {'ppa:nginx/stable':
   }
@@ skipping 42 matching lines @@
   file {'/etc/nginx/sites-available':
     ensure => directory,
     require => Package['nginx']
   }
 
   file {'/etc/nginx/sites-enabled':
     ensure => directory,
     require => Package['nginx']
   }
 
+  file {'/var/cache/nginx':
+    before => Service['nginx'],
+    ensure => directory,
+    require => Package['nginx'],
+  }
+
   define hostconfig (
       $domain = $title,
       $alt_names = [],
       $log,
       $log_format = 'main',
       $is_default = false,
       $source = undef,
       $content = undef,
       $global_config = undef,
       $certificate = undef,
@@ skipping 108 matching lines @@
   }
 
   service {'nginx':
     ensure => running,
     enable => true,
     restart => '/etc/init.d/nginx reload',
     hasstatus => true,
     require => File['/etc/nginx/nginx.conf']
   }
 }