Fix some typos in polish translation

Lukasz Jader

2012-07-14 7cd88ddbd93b115aeda76b87b1c99f9afa4aaaef

 src/com/gitblit/GitblitUserService.java

@@ -138,7 +138,7 @@
   }



   @Override

   public char[] getCookie(UserModel model) {

   public String getCookie(UserModel model) {

      return serviceImpl.getCookie(model);

   }