[parrot/parrot] 6e704b: don't return NULL STRING* from vtable functions, u...

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

Commit: 6e704bdd25490c213af44a164adf7a739b3437df
    https://github.com/parrot/parrot/commit/6e704bdd25490c213af44a164adf7a739b3437df
Author: NotFound <julian.notfound at gmail.com>
Date:   2011-05-20 (Fri, 20 May 2011)

Changed paths:
  M src/pmc/unmanagedstruct.pmc

Log Message:
-----------
don't return NULL STRING* from vtable functions, use STRINGNULL