--- lftp-4.7.7.orig/src/Speedometer.cc	2016-02-20 14:57:53.000000000 +0100
+++ lftp-4.7.7/src/Speedometer.cc	2017-06-05 21:41:06.185512853 +0200
@@ -18,7 +18,7 @@
  */
 
 #include <config.h>
-#include <math.h>
+#include <cmath>
 #include <stdlib.h>
 #include "Speedometer.h"
 #include "misc.h"