Fix MSan error in SSLTest.Handoff test.

Apparently I forgot to put MSan on the CQ, just CI.

Change-Id: I1f47c3bd92f6db6a67e0a4ecc113a6ea214f642f
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/39024
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>

ssl/ssl_test.cc

diff --git a/ssl/ssl_test.cc b/ssl/ssl_test.cc
index d8210df..6fdab84 100644
--- a/ssl/ssl_test.cc
+++ b/ssl/ssl_test.cc
@@ -4176,7 +4176,7 @@
   ASSERT_TRUE(
       SSL_CTX_set_max_proto_version(handshaker_ctx.get(), TLS1_2_VERSION));
   uint8_t keys[48];
-  SSL_CTX_set_tlsext_ticket_keys(server_ctx.get(), &keys, sizeof(keys));
+  SSL_CTX_get_tlsext_ticket_keys(server_ctx.get(), &keys, sizeof(keys));
   SSL_CTX_set_tlsext_ticket_keys(handshaker_ctx.get(), &keys, sizeof(keys));
 
   bssl::UniquePtr<X509> cert = GetTestCertificate();