Add missing QUIC_EXPORT_PRIVATE to test client ALPN
gfe-relnote: n/a, Chromium-only change
PiperOrigin-RevId: 261369232
Change-Id: Ic277c6dc68f0d80549320d3abbca4f5cca050f2d
diff --git a/quic/core/tls_client_handshaker.h b/quic/core/tls_client_handshaker.h
index d8d8499..d2d0a4a 100644
--- a/quic/core/tls_client_handshaker.h
+++ b/quic/core/tls_client_handshaker.h
@@ -123,7 +123,7 @@
// Allows tests to override the ALPN used by clients.
// DO NOT use outside of tests.
-extern std::string* quic_alpn_override_on_client_for_tests;
+QUIC_EXPORT_PRIVATE extern std::string* quic_alpn_override_on_client_for_tests;
} // namespace quic
