Don't install benchmark executable
CMakeLists.txt:
  Handle CMAKE_C_FLAGS_RELWITHDEBINFO and CMAKE_CXX_FLAGS_RELWITHDEBINFO


extra/yassl/taocrypt/benchmark/Makefile.am:
  Don't install benchmark executable
CMakeLists.txt:
  Handle CMAKE_C_FLAGS_RELWITHDEBINFO and CMAKE_CXX_FLAGS_RELWITHDEBINFO
mysys/CMakeLists.txt:
  Handle CMAKE_C_FLAGS_RELWITHDEBINFO and CMAKE_CXX_FLAGS_RELWITHDEBINFO