audio_thread_pulseaudio: cork stream instead of flushing in destroy()
audio_thread_pulseaudio: cork stream instead of flushing in destroy()

hopefully it will prevent calling read/write callbacks after freeing
audio_stream structure

grevutiu-gabriel/freshplayerplugin,reuben/freshplayerplugin,reuben/freshplayerplugin,Papapashu/freshplayerplugin,Papapashu/freshplayerplugin,grevutiu-gabriel/freshplayerplugin,reuben/freshplayerplugin,Papapashu/freshplayerplugin