use strtok_s in place of strtok_r on Windows (#606)
use strtok_s in place of strtok_r on Windows (#606)

Signed-off-by: Ben Ashbaugh <18ec7737b41cc81492792762a68c479a2db75e9e@intel.com>
KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS