Evan Travers 96cb9f4661 Update template config.h with #pragma once (#3415)
* Update template config.h with `#pragma once`

Making sure this is consistent with #3404

* Move to `#pragma once` for the other templates
2018-07-16 08:44:16 -07:00
..
2018-06-28 08:52:21 -04:00
2018-06-12 23:37:06 -04:00