cmake DCOMPILER_HAS_STD_PLUS_VOID examples

gnss-sdr/gnss-sdr tests/CMakeLists.txt :255 

add_definitions(-DCOMPILER_HAS_STD_PLUS_VOID=1)

gnss-sdr/gnss-sdr tests/benchmarks/CMakeLists.txt :121 

target_compile_definitions(benchmark_detector PRIVATE -DCOMPILER_HAS_STD_PLUS_VOID=1)