add SA_NOCLDWAIT to SIGCHLD flags when xwayland module loads
add SA_NOCLDWAIT to SIGCHLD flags when xwayland module loads

pulseaudio uses waitpid internally and will deadlock if ecore-audio
performs a deferred connect

tasn/enlightenment,tasn/enlightenment,tasn/enlightenment,rvandegrift/e,rvandegrift/e,rvandegrift/e