decoder/Bridge: call PcmConvert::Reset() after seeking

NEWS

@@ -1,6 +1,8 @@
 ver 0.20.2 (not yet released)
 * decoder
   - flac: add options "probesize" and "analyzeduration"
+* resampler
+  - libsamplerate: reset state after seeking
 * output
   - alsa: fix the DSD_U32 sample rate
 

src/decoder/Bridge.cxx

@@ -317,6 +317,9 @@ DecoderBridge::CommandFinished()
 
 		dc.pipe->Clear(*dc.buffer);
 
+		if (convert != nullptr)
+			convert->Reset();
+
 		timestamp = dc.seek_time.ToDoubleS();
 	}