Added alternative method to get s_numPhysicalCPUCores value, when parsing /proc/cpuinfo fails (usable for non-x86 CPU, e.g. for MCST e2k architecture).
These changes was accepted in RBDoom3-BFG
- https://github.com/RobertBeckebans/RBDOOM-3-BFG/pull/478
platform_linux_cpp.diff