Add additional include

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18345)

diff --git a/include/internal/priority_queue.h b/include/internal/priority_queue.h
index e515eca14455cf7c62af38c147817570b2856313..5be03bf131c88eebfb476a552922b21169ecbb3c 100644 (file)
--- a/include/internal/priority_queue.h
+++ b/include/internal/priority_queue.h
@@ -11,6 +11,7 @@
 # define OSSL_INTERNAL_PRIORITY_QUEUE_H
 # pragma once
 
+# include <stdlib.h>
 # include <openssl/e_os2.h>
 
 # define PRIORITY_QUEUE_OF(type) OSSL_PRIORITY_QUEUE_ ## type