Changing WITH_SUPSTEPPING prevents 4.10 from compiling

In the file EngineDefines.h, changing 37 to read "#define WITH_SUBSTEPPING 0" will cause the solution to fail the build process.

1. Download UE4 source for 4.10 (4.10 or release branch) from GitHub
2. Run Setup.bat
3. Run GenerateProjectFiles.bat
4. Open UE4.sln
5. In VS, navigate to and open \Source\Runtime\Engine\Public\EngineDefines.h
6. Navigate to line 37 and change "1" to "0"
7. Build the UE4 solution

Result:
Build process will fail with errors in PhysScene.cpp