cmake HAVE_PULSEAUDIO examples

Tinob/Ishiiruka Source/Core/AudioCommon/CMakeLists.txt :41 

target_compile_definitions(audiocommon PRIVATE HAVE_PULSEAUDIO=1)

LadybirdBrowser/ladybird Tests/LibMedia/CMakeLists.txt :17 

target_compile_definitions(TestPlaybackStream PRIVATE HAVE_PULSEAUDIO=1)