cmake DPLIBSYS_HAS_NANOSLEEP examples

saprykin/plibsys src/CMakeLists.txt :457 

list (APPEND PLIBSYS_COMPILE_DEFS -DPLIBSYS_HAS_NANOSLEEP)

saprykin/plibsys src/CMakeLists.txt :466 

list (APPEND PLIBSYS_COMPILE_DEFS -DPLIBSYS_HAS_NANOSLEEP)