Move bn/ into crypto/fipsmodule/

Change-Id: I68aa4a740ee1c7f2a308a6536f408929f15b694c
Reviewed-on: https://boringssl-review.googlesource.com/15647
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/crypto/dh/params.c b/crypto/dh/params.c
index 4cec700..8f65bd3 100644
--- a/crypto/dh/params.c
+++ b/crypto/dh/params.c
@@ -54,7 +54,7 @@
 
 #include <openssl/bn.h>
 
-#include "../bn/internal.h"
+#include "../fipsmodule/bn/internal.h"
 
 
 static const BN_ULONG dh1024_160_p[] = {