Include rsa/internal.h for |...no_self_test| functions.

Change-Id: I9aac529f181068746c5099ad08b6471887184202
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/51725
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>

crypto/fipsmodule/self_check/self_check.c

diff --git a/crypto/fipsmodule/self_check/self_check.c b/crypto/fipsmodule/self_check/self_check.c
index b7cd868..b248789 100644
--- a/crypto/fipsmodule/self_check/self_check.c
+++ b/crypto/fipsmodule/self_check/self_check.c
@@ -35,6 +35,7 @@
 #include "../ec/internal.h"
 #include "../ecdsa/internal.h"
 #include "../rand/internal.h"
+#include "../rsa/internal.h"
 #include "../tls/internal.h"