reassignment, internals, implementing frequency correction only

src/prefs/SpectrogramSettings.h

@@ -154,6 +154,13 @@ public:
    // Variables used for computing the spectrum
    mutable FFTParam      *hFFT;
    mutable float         *window;
+
+   // Two other windows for computing reassigned spectrogram
+#if 0
+   mutable float         *tWindow; // Window times time parameter
+#endif
+   mutable float         *dWindow; // Derivative of window
+
 #endif
 };
 #endif