cmake HAVE_ALSA_ASOUNDLIB_H examples

rose-compiler/rose cmake/modules/FindAlsa.cmake :59 

check_include_file_cxx(alsa/asoundlib.h HAVE_ALSA_ASOUNDLIB_H)

in-formant/in-formant external/libsamplerate/CMakeLists.txt :97 

check_include_file(alsa/asoundlib.h HAVE_ALSA_ASOUNDLIB_H)