zeromq/czmq — pull request #858 by skaes (2014-12-11 08:23:57+00:00)
Title: Problem: should be possible to clear cached file digest on file instances

Solution: call zdigest_destroy on zfile_restat
and inline zfile_close in zfile_digest

Other solutions are possible:
* provide explicit method to clear the file digest
* don't cache the digest