fixed easylogging compile issue on OpenBSD

Issue: #2575
Add ELPP_OS_OPENBSD macros to easylogging++.h so that it will build on
OpenBSD.
This commit is contained in:
Dyrcona 2017-11-11 14:42:59 +01:00 committed by ston1th
parent a2c2f4e4b0
commit 5b452248a8