Add missing include

Change-Id: Ifaef253aa82b07d0930dddbd773724132a7724c4
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/64587
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Auto-Submit: David Benjamin <davidben@google.com>

crypto/fipsmodule/sha/sha_test.cc

diff --git a/crypto/fipsmodule/sha/sha_test.cc b/crypto/fipsmodule/sha/sha_test.cc
index 9ae45cc..5029bb0 100644
--- a/crypto/fipsmodule/sha/sha_test.cc
+++ b/crypto/fipsmodule/sha/sha_test.cc
@@ -14,6 +14,8 @@
 
 #include <openssl/sha.h>
 
+#include <vector>
+
 #include <gtest/gtest.h>
 
 #include "internal.h"