fix the use of the old API (the use_speed_ variable does nto exist anymore)
fix the use of the old API (the use_speed_ variable does nto exist anymore)

atulkum/flann,kyroskoh/flann,saedrna/flann,egtann/flann,atulkum/flann,egtann/flann,kypp/flann,atulkum/flann,atulkum/flann,egtann/flann,kyroskoh/flann,kypp/flann,kypp/flann,saedrna/flann,kyroskoh/flann,saedrna/flann,saedrna/flann,kypp/flann,egtann/flann,saedrna/flann,kypp/flann,egtann/flann,atulkum/flann,kyroskoh/flann,saedrna/flann,atulkum/flann,kypp/flann,kyroskoh/flann,egtann/flann