oops, accidently broke crossfading, fixed now

src/audio.c

@@ -145,6 +145,7 @@ int isCurrentAudioFormat(AudioFormat * audioFormat) {
 
 int openAudioDevice(AudioFormat * audioFormat) {
 	if(!aoOutput->open || !isCurrentAudioFormat(audioFormat)) {
+		copyAudioFormat(&audio_format, audioFormat);
 		return openAudioOutput(aoOutput, audioFormat);
 	}
 

src/audioOutput_ao.c

@@ -190,7 +190,7 @@ static int audioOutputAo_play(AudioOutput * audioOutput, char * playChunk,
 	AoData * ad = (AoData *)audioOutput->data;
 
 	if(ad->device==NULL) {
-		ERROR("trying to play w/o the audio device being open!\n");
+		ERROR("trying to play w/o the ao device being open!\n");
 		return -1;
 	}