add rapidPiPoTools.h to signalProcessing header

src/signalProcessing/signalProcessing.h

@@ -11,7 +11,7 @@
 #include "maximilian.h"
 #include "maxim.h"
 #include "rapidStream.h"
-//#include "rapidPiPoTools.h"
+#include "rapidPiPoTools.h"
 
 RAPIDMIX_BEGIN_NAMESPACE
 
@@ -23,7 +23,6 @@ typedef maxiFFT FFT;
 typedef maxiMFCC MFCC;
 typedef rapidStream rapidStream; //MZ: Best... typedef... EVER!
 
-
 RAPIDMIX_END_NAMESPACE
 
 #endif