--- lftp-4.6.5.old/src/commands.cc
+++ lftp-4.6.5/src/commands.cc
@@ -31,9 +31,12 @@
 #include <sys/wait.h>
 #include <fcntl.h>
 #include <assert.h>
+#include <sys/wait.h>
+
 #ifdef HAVE_DLFCN_H
 # include <dlfcn.h>
 #endif
+
 #include <mbswidth.h>
 #include <human.h>
 
===== end of patch =====