[parrot/parrot] c35607: Fix c++ build:

[noreply at github.com]

Branch: refs/heads/master
Home:   https://github.com/parrot/parrot

Commit: c35607d1d64e60b5fb4e07a7d439d75fd22c8bab
    https://github.com/parrot/parrot/commit/c35607d1d64e60b5fb4e07a7d439d75fd22c8bab
Author: NotFound <julian.notfound at gmail.com>
Date:   2011-01-27 (Thu, 27 Jan 2011)

Changed paths:
  M src/packfile/api.c

Log Message:
-----------
Fix c++ build:
Cast required to convert integer types to enum
Non void function need return. Also add a warning for non expected case