fix *nix preprocessor checks
fix *nix preprocessor checks

hunter-packages/ogles_gpgpu,headupinclouds/ogles_gpgpu,headupinclouds/ogles_gpgpu,headupinclouds/ogles_gpgpu,hunter-packages/ogles_gpgpu,headupinclouds/ogles_gpgpu,hunter-packages/ogles_gpgpu,hunter-packages/ogles_gpgpu