Add include for dsp/functions.hpp

src/Elements.cpp

@@ -1,5 +1,6 @@
 #include <string.h>
 #include "AudibleInstruments.hpp"
+#include "dsp/functions.hpp"
 #include "dsp/samplerate.hpp"
 #include "dsp/ringbuffer.hpp"
 #include "elements/dsp/part.h"

src/Rings.cpp

@@ -1,5 +1,6 @@
 #include <string.h>
 #include "AudibleInstruments.hpp"
+#include "dsp/functions.hpp"
 #include "dsp/samplerate.hpp"
 #include "dsp/ringbuffer.hpp"
 #include "dsp/digital.hpp"