OnsetDetectionGlobal: fix vector copy.

src/algorithms/rhythm/onsetdetectionglobal.cpp

@@ -410,7 +410,7 @@ void OnsetDetectionGlobal::computeBeatEmphasis() {
   // Matlab M.Davies: take top 40% of weights, zero the rest (not in the paper!)
   vector<Real> sorted;
   sorted.reserve(_numberERBBands);
-  copy(weightsERB.begin(), weightsERB.end(), sorted.begin());
+  copy(weightsERB.begin(), weightsERB.end(), std::back_inserter(sorted));
   sort(sorted.begin(), sorted.end());
   Real threshold = sorted[int(floor(_numberERBBands * 0.6))];