--- qtiplot-0.9.8.9.orig/qtiplot/src/scripting/qti.sip	2011-07-06 09:24:59.000000000 +0300
+++ qtiplot-0.9.8.9.orig/qtiplot/src/scripting/qti.sip	2017-12-20 00:49:18.124438231 +0200
@@ -3243,11 +3243,11 @@ 
 %MethodCode
   SIPQTI_APP(new sipFFT(app, a0, *a1, a2, a3))
 %End
-  FFT(QwtPlotCurve *&) /NoDerived/;
+  FFT(QwtPlotCurve *) /NoDerived/;
 %MethodCode
   SIPQTI_APP(new sipFFT(app, a0))
 %End
-  FFT(QwtPlotCurve *&, double, double) /NoDerived/;
+  FFT(QwtPlotCurve *, double, double) /NoDerived/;
 %MethodCode
   SIPQTI_APP(new sipFFT(app, a0, a1, a2))
 %End