Fixed: Crash during initialization of GraphicEQ/Convolution filters when loading the configuration in multiple threads concurrently. This occurred most often when using GraphicEQ both for playback and capture devices.

Improved: Updated FFTW to version 3.3.6-pl2.

filters/ConvolutionFilter.cpp

@@ -87,6 +87,7 @@ vector<wstring> ConvolutionFilter::initialize(float sampleRate, unsigned maxFram
 			bufs[i] = buf;
 		}
 
+		fftwf_make_planner_thread_safe();
 		filters = (HConvSingle*)MemoryHelper::alloc(sizeof(HConvSingle) * channelCount);
 		for (unsigned i = 0; i < channelCount; i++)
 		{