Fix no-stdio

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8238)

diff --git a/include/openssl/kdf.h b/include/openssl/kdf.h
index 0f39a1424b7653f1ce9fae87319788e90c5783e8..663ba90a72fe7800278f3dbe2acb4284d3c8caf2 100644 (file)
--- a/include/openssl/kdf.h
+++ b/include/openssl/kdf.h
@@ -10,6 +10,8 @@
 #ifndef HEADER_KDF_H
 # define HEADER_KDF_H
 
+# include <stdarg.h>
+# include <stddef.h>
 # include <openssl/ossl_typ.h>
 # include <openssl/kdferr.h>
 # ifdef __cplusplus