Change array entries to safe doesn't worth then the array is joined a…

…s a string losing the safe property of his entries

Signed-off-by: José Valim <jose.valim@gmail.com>

actionpack/lib/action_view/helpers/translation_helper.rb

@@ -13,7 +13,7 @@ module TranslationHelper
       def translate(key, options = {})
         options[:raise] = true
         translation = I18n.translate(scope_key_by_partial(key), options)
-        translation.is_a?(Array) ? translation.map { |entry| entry.html_safe } : translation.html_safe
+        translation.respond_to?(:html_safe) ? translation.html_safe : translation
       rescue I18n::MissingTranslationData => e
         keys = I18n.send(:normalize_translation_keys, e.locale, e.key, e.options[:scope])
         content_tag('span', keys.join(', '), :class => 'translation_missing')