--- lftp-4.7.7.orig/src/NetAccess.cc	2016-12-15 13:25:36.000000000 +0100
+++ lftp-4.7.7/src/NetAccess.cc	2017-06-05 22:14:19.905585919 +0200
@@ -21,7 +21,7 @@
 
 #include <errno.h>
 #include <assert.h>
-#include <math.h>
+#include <cmath>
 #include <sys/types.h>
 
 #include "NetAccess.h"