Attempt to fix clang.
Attempt to fix clang.

This is related to the following:

  https://github.com/travis-ci/travis-ci/issues/2607
  https://github.com/travis-ci/travis-ci/issues/5602

Signed-off-by: Krzysztof Wilczynski <9bf091559fc98493329f7d619638c79e91ccf029@linux.com>

kwilczynski/go-magic,kwilczynski/go-magic,kwilczynski/go-magic