Fixed include file header guard.

[valmikir]

Summary: The same header guard was used in two different header files (not sure if this was intentional.)

Test Plan: CI Tests

Differential Revision: D20946512

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D20946512

[dr-ci]

💊 CircleCI build failures summary and remediations

As of commit 3e2f0a1 (more details on the Dr. CI page):

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✅ None of the build failures appear to be your fault 💚

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• 1/1 broken upstream at merge base 9497b21 since Apr 09

  Please rebase on the viable/strict branch (expand for instructions)

  If your commit is newer than viable/strict, you can try basing on an older, stable commit:

  git fetch https://github.com/pytorch/pytorch viable/strict
  git rebase --onto FETCH_HEAD $(git merge-base origin/master HEAD)
  

  If your commit is older than viable/strict:

  git fetch https://github.com/pytorch/pytorch viable/strict
  git rebase FETCH_HEAD
  

  Check out the recency history of this "viable master" tracking branch.

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🚧 1 upstream failure:

These were probably caused by upstream breakages:

• pytorch_linux_xenial_py3_clang5_asan_test since Apr 09
  • 🔁 rerun

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This comment has been revised 2 times.

[facebook-github-bot]

This pull request has been merged in 247f2df.