Correct JackNetExtMaster::Read.

common/JackLibSampleRateResampler.cpp

@@ -28,8 +28,9 @@ JackLibSampleRateResampler::JackLibSampleRateResampler()
 {
     int error;
     fResampler = src_new(SRC_LINEAR, 1, &error);
-    if (error != 0)
+    if (error != 0) {
         jack_error("JackLibSampleRateResampler::JackLibSampleRateResampler err = %s", src_strerror(error));
+    }
 }
 
 JackLibSampleRateResampler::JackLibSampleRateResampler(unsigned int quality)

common/JackNetAPI.cpp

@@ -384,7 +384,7 @@ struct JackNetExtMaster : public JackNetMasterInterface {
             // frames = -1 means : entire buffer
             if (frames < 0) frames = fParams.fPeriodSize;
            
-            int read_frames;
+            int read_frames = 0;
             assert(audio_input == fParams.fReturnAudioChannels);
 
             for (int audio_port_index = 0; audio_port_index < audio_input; audio_port_index++) {