Log Message:
Update to 2.0604

Upstream changes:
2.0604 Wed, Sep 19, 2012

  [BUG FIXES]

  * Fix nonsensical error message for inlined accessors of required attributes.
    (doy)

  * Stop trying to localize a lexical (blead now throws an error for this). RT
    #79257, perl #114628. (sprout)

  [OTHER]

  * Depend on a version of Carp new enough to have caller_info. RT #79367.
    (pshangov)