tree 397e33586fd5c339fd9202c0320fff564233bc26
parent 5023aa95ff56ea9ebf6a9e265dc4498c38f18bc7
author Alexander Amelkin <a.amelkin@yadro.com> 1555330263 +0300
committer Emily Shaffer <emilyshaffer@google.com> 1555383467 +0000

Fix compilation warning regarding std::variant

When building with SDK, the compiler complains about
’variant’ being not a member of ’std’:

.../pack.hpp:249:24: error: ‘variant’ is not a member of ‘std’

This commit adds appropriate #include to fix that.

Change-Id: I99d6b7c17cbe1f49d706821797cf3fa03ca8c26a
Signed-off-by: Alexander Amelkin <a.amelkin@yadro.com>