fix dav_rename null entry causing assert in stat_cache_value_set
Don't leak file descriptors when LevelDB is failing to write.
Merge branch 'master' of github.com:pantheon-systems/fusedav
Merge pull request #74 from pantheon-systems/rename-coredump

fix dav_rename null entry causing assert in stat_cache_value_set
Merge pull request #75 from pantheon-systems/master

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