Merge branch 'master' of github.com:virtualmin/virtualmin-nginx

Author: jcameron

virtualmin-nginx-lib.pl

@@ -13,6 +13,8 @@
      @list_modules_cache, @open_config_files);
 our (%config, %text, %in, $module_root_directory);
 
+my @lock_all_config_files_cache;
+
 # get_config()
 # Parses the Nginx config file into an array ref
 sub get_config