Fixed implicit declaration warning in hash-test.c

diff --git a/lib/hash-test.c b/lib/hash-test.c
index 1b5ee45cb0067dcc8a9f4adb16bc8c2081635728..803a0302e7a98c4f373ee40328a781ef00c09bf8 100644 (file)
--- a/lib/hash-test.c
+++ b/lib/hash-test.c
@@ -5,6 +5,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <stdlib.h>
 
 /* TEST 1: integers */