Added an error message for when ALSA audio fails

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%404120

src/audio/alsa/SDL_alsa_audio.c

@@ -314,8 +314,10 @@ static void ALSA_PlayAudio(_THIS)
 	while ( frames_left > 0 && this->enabled ) {
 		status = SDL_NAME(snd_pcm_writei)(pcm_handle, sample_buf, frames_left);
 		if ( status < 0 ) {
-			if ( SDL_NAME(snd_pcm_recover)(pcm_handle, status, 0) < 0 ) {
+			status = SDL_NAME(snd_pcm_recover)(pcm_handle, status, 0);
+			if ( status < 0 ) {
 				/* Hmm, not much we can do - abort */
+				fprintf(stderr, "ALSA write failed (unrecoverable): %s", SDL_NAME(snd_strerror)(status));
 				this->enabled = 0;
 				return;
 			}