Fix alloca warnings on bsd systems.

* nettle-internal.h: Include stdlib.h, fix alloca warnings on BSD.
* hmac.c: Delete corresponding include here, no longer needed.

1 files changed, 0 insertions, 2 deletions

diff --git a/hmac.c b/hmac.c
index 6ac5e11a..ea356970 100644
--- a/hmac.c
+++ b/hmac.c
@@ -36,8 +36,6 @@
 #endif
 
 #include <assert.h>
-/* Needed for alloca on freebsd */
-#include <stdlib.h>
 #include <string.h>
 
 #include "hmac.h"