Fixed warning by adding header

diff --git a/lib/cmd.c b/lib/cmd.c
index 8496a96cf807b5144f1b7a52777ace3b57ae6040..832d83f28e2760631dfda2d8d2f4a21998ed92b4 100644 (file)
--- a/lib/cmd.c
+++ b/lib/cmd.c
@@ -32,6 +32,7 @@
 #include <math.h>
 #include <sys/time.h>
 #include <string.h>
+#include <stdlib.h>
 
 #include <libinternal.h>