Fixed compiler warning.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2326 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/none/tests/badseg.c b/none/tests/badseg.c
index 51b5ab8..0c27d4f 100644
--- a/none/tests/badseg.c
+++ b/none/tests/badseg.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <signal.h>
 
 static void handler(int sig, siginfo_t *info, void *v)