[ET Trac] [Einstein Toolkit] #2208: Fix small memory leak in Piraha

[Einstein Toolkit]

#2208: Fix small memory leak in Piraha
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 Reporter:  Steven R. Brandt     |       Type:  defect
   Status:  new                  |   Priority:  minor
Milestone:  ET_2019_02           |  Component:  Cactus
  Version:  development version  |   Keywords:
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 This pull request

 https://bitbucket.org/cactuscode/cactus/pull-requests/54/piraha-mem/diff

 Fixes a small memory leak caused by a cyclic reference.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/2208>
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