Fix an oversight when reading from the decoder

Author: Raltyro

src/lime/_internal/backend/native/NativeAudioSource.hx

@@ -988,7 +988,7 @@ class NativeAudioSource
 	{
 		if (decoder.eof || currentPCM >= loopPoints[1])
 		{
-			if (streamEnded = loops <= streamLoops || !decoder.seek(loopPoints[0])) return 0;
+			if (streamEnded = loops <= streamLoops || !decoder.seek(currentPCM = loopPoints[0])) return 0;
 			streamLoops++;
 		}
 
@@ -1098,7 +1098,10 @@ class NativeAudioSource
 
 		streamEnded = false;
 		queuedBuffers = filledBuffers = streamLoops = nextBuffer = 0;
-		decoder.seek(sample);
+
+		if (sample == 0) decoder.rewind();
+		else decoder.seek(sample);
+
 		fillBuffers(n);
 		queueBuffers();
 	}