Adam Ernst b3ac5f06d2 Close RAM bundle as soon as we read the magic number
Summary: No need to keep it open; it just makes it harder to reason about error handling.

Reviewed By: majak

Differential Revision: D3518200

fbshipit-source-id: dc1af6eb0f75de7e9f73513ed1dd522048f76670
2016-07-07 13:43:38 -07:00
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2016-06-15 09:58:52 -07:00