Added AMD APP SDK paths to FindOpenCL.cmake.
Added AMD APP SDK paths to FindOpenCL.cmake.

The AMD APP SDK include folder has a CL folder and a GL folder, so the
extra "CL" suffix is required. Also, CMake was only finding the 32-bit
OpenCL.lib, so "lib/x86_64" is needed as well.

afritz1/OpenTESArena