fix number_to_currency() raises exception on Rails3 bs and de locale (#11922)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10476 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/locales/bs.yml

@@ -80,9 +80,8 @@ bs:
       format:
         unit: 'KM'
         format: '%u %n'
-        separator:
-        delimiter:
-        precision:
+        negative_format: '%u -%n'
+        delimiter: ''
     percentage:
       format:
         delimiter: ""