Make symbols of BoringSSL private to gRPC
diff --git a/src/core/tsi/alts/crypt/aes_gcm.cc b/src/core/tsi/alts/crypt/aes_gcm.cc
index 02b1ac4..c638ce7 100644
--- a/src/core/tsi/alts/crypt/aes_gcm.cc
+++ b/src/core/tsi/alts/crypt/aes_gcm.cc
@@ -18,6 +18,8 @@
 
 #include <grpc/support/port_platform.h>
 
+#include "src/core/tsi/grpc_shadow_boringssl.h"
+
 #include "src/core/tsi/alts/crypt/gsec.h"
 
 #include <openssl/bio.h>