Fix loading mono resampled files in convolution reverb

Signed-off-by: falkTX <falktx@falktx.com>

Author: falkTX

plugins/ConvolutionReverb/OneKnobPlugin.cpp

@@ -312,15 +312,17 @@ class OneKnobConvolutionReverbPlugin : public OneKnobPlugin
                 // left channel, always present
                 float* const irBufResampledL = new float[numResampledFrames];
                 resampler.oneshot(irBufL, numFrames, irBufResampledL, numResampledFrames);
-                delete[] irBufL;
+                if (irBufL != ir)
+                    delete[] irBufL;
                 irBufL = irBufResampledL;
 
                 // right channel, optional
                 if (irBufL != irBufR)
                 {
                     float* const irBufResampledR = new float[numResampledFrames];
                     resampler.oneshot(irBufR, numFrames, irBufResampledR, numResampledFrames);
-                    delete[] irBufR;
+                    if (irBufR != ir)
+                        delete[] irBufR;
                     irBufR = irBufResampledR;
                 }