Minor code improvements (#85)

Author: crbelaus

lib/trans/translator.ex

@@ -182,7 +182,8 @@ defmodule Trans.Translator do
     end
   end
 
-  defp translate_fields(%{__struct__: module} = struct, locale, default_locale) when is_list(locale) do
+  defp translate_fields(%{__struct__: module} = struct, locale, default_locale)
+       when is_list(locale) do
     fields = module.__trans__(:fields)
 
     Enum.reduce(fields, struct, fn field, struct ->
@@ -193,7 +194,7 @@ defmodule Trans.Translator do
     end)
   end
 
-  defp translate_fields(%{__struct__: module} = struct, locale, default_locale) do
+  defp translate_fields(%{__struct__: _module} = struct, locale, default_locale) do
     translate_fields(struct, [locale], default_locale)
   end