Fix some warnings in MSVC

examples/PlugInSamples/Surround/Source/SurroundEditor.h

@@ -92,8 +92,8 @@ public:
 private:
     String getLayoutName() const
     {
-        if (AudioProcessor* processor = getAudioProcessor())
-            return processor->busArrangement.outputBuses.getReference (0).channels.getDescription();
+        if (AudioProcessor* p = getAudioProcessor())
+            return p->busArrangement.outputBuses.getReference (0).channels.getDescription();
 
         return "Unknown";
     }

examples/PlugInSamples/Surround/Source/SurroundProcessor.cpp

@@ -109,7 +109,6 @@ public:
     const String getName() const override               { return "Surround PlugIn"; }
     bool acceptsMidi() const override                   { return false; }
     bool producesMidi() const override                  { return false; }
-    bool silenceInProducesSilenceOut() const override   { return true; }
     double getTailLengthSeconds() const override        { return 0; }
 
     //==============================================================================