Adicionando trecho para criar o diretório da sanboxdir.

[SOMA-3993]
[SOMA-2554]

sga/application.lua

@@ -67,6 +67,14 @@ function application.new(config)
       end
    end
 
+   local ok, err = lfs.mkdir(config.sandbox_root_dir)
+   if not ok then
+      local attr = lfs.attributes(config.sandbox_root_dir)
+      if not (attr and attr.mode == "directory") then
+         return nil, "Failed creating sandbox root dir "..config.sandbox_root_dir
+      end
+   end
+
    local client_object = client.new(config, make_logger("sga.client"))
    
    local pok, driver_module = pcall(require, config.driver)