libcgroup tests: Fix build issue with the named hierarchy test case

Signed-off-by: Dhaval Giani <dhaval.giani@gmail.com>

diff --git a/tests/test_named_hierarchy.c b/tests/test_named_hierarchy.c
index c9375ed4a50d8602161da4f9fb8e10bc4c3dd511..56e9a1ce9b38f3b9c49906d10ebb693c93b0e961 100644 (file)
--- a/tests/test_named_hierarchy.c
+++ b/tests/test_named_hierarchy.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <libcgroup.h>
 
 /*