(_flite_sigblockusr): New function. Block SIGUSR1 signal. (_flite_synth): Block SIGUSR1 while sending data to soundcard. (_flite_synth): Divide message according to sentences, not lines.
(_flite_sigblockusr): New function. Block SIGUSR1 signal.
(_flite_synth): Block SIGUSR1 while sending data to soundcard.
(_flite_synth): Divide message according to sentences, not lines.

razr/speechd,razr/speechd,razr/speechd,razr/speechd