Merge pull request #443 from negativeExponent/add-header-guards
authorAutechre <libretro@gmail.com>
Tue, 4 Aug 2020 15:40:56 +0000 (17:40 +0200)
committerGitHub <noreply@github.com>
Tue, 4 Aug 2020 15:40:56 +0000 (17:40 +0200)
Add header guards


Trivial merge