RobertBeckebans/RBDOOM-3-BFG — pull request #207 by SubjectName (2014-11-14 15:59:08+00:00)
Title: Add option for WinRT.

"if( ${CMAKE_SYSTEM_VERSION} EQUAL 6.2 )" works for all versions of
Win8.
These changes will suppress compile error when building except for RT.