tree 1b930c17524b5475b01f9dea05f65664d1e1eb3a
parent b34547dbed9a0645ee189f77372d1b931390c2e7
author Ian Elliott <ian@lunarg.com> 1424986492 -0700
committer Courtney Goeltzenleuchter <courtney@LunarG.com> 1425342071 -0700

Linux: Must use "__linux__" instead of "PLATFORM_LINUX".

There are some places (e.g. glave) where PLATFORM_LINUX is #define'd, but
normally we need to rely on "__linux__", which is #define'd by the compiler
(i.e. we can rely on it being there).