Fix a missing incldue in `aead.cc.inc`.

This only is a problem when parsing the file file alone, although it
does evidence current compilation depends on the order of includes in
`bcm.cc`, which is bad.

Bug: 383343306
Change-Id: I6c8108282ba308945892a8264691b30b3a2dfd5b
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/85529
Commit-Queue: David Benjamin <davidben@google.com>
Auto-Submit: Rudolf Polzer <rpolzer@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/crypto/fipsmodule/cipher/aead.cc.inc b/crypto/fipsmodule/cipher/aead.cc.inc
index 1e477c3..053f9ba 100644
--- a/crypto/fipsmodule/cipher/aead.cc.inc
+++ b/crypto/fipsmodule/cipher/aead.cc.inc
@@ -25,6 +25,7 @@
 #include <openssl/span.h>
 
 #include "../../internal.h"
+#include "../../mem_internal.h"
 #include "internal.h"