fixes logic AU test failure

Source/PluginProcessor.cpp

@@ -131,6 +131,8 @@ void ReverbAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, juce:
     juce::ScopedNoDenormals noDenormals;
     auto totalNumInputChannels  = getTotalNumInputChannels();
     auto totalNumOutputChannels = getTotalNumOutputChannels();
+    if (totalNumInputchannels != 2) // Logic will fail AU tests if this isn't here
+	    return; 
 
 
     // In case we have more outputs than inputs, this code clears any output