cpp_dummy_build: Add NIST key wrapping header
diff --git a/programs/test/cpp_dummy_build.cpp b/programs/test/cpp_dummy_build.cpp
index 41c24c9..c652884 100644
--- a/programs/test/cpp_dummy_build.cpp
+++ b/programs/test/cpp_dummy_build.cpp
@@ -69,6 +69,7 @@
 #include "mbedtls/md_internal.h"
 #include "mbedtls/net.h"
 #include "mbedtls/net_sockets.h"
+#include "mbedtls/nist_kw.h"
 #include "mbedtls/oid.h"
 #include "mbedtls/padlock.h"
 #include "mbedtls/pem.h"