Add QUIC_EXPORT_PRIVATE to CreateCryptoServerStream to fix the quiche merge.

gfe-relnote: n/a (Chrome only change)
PiperOrigin-RevId: 288556946
Change-Id: I2ee68fc8f9843c79cbee12de6f5168d8dddfd5bd

quic/core/quic_crypto_server_stream.h

diff --git a/quic/core/quic_crypto_server_stream.h b/quic/core/quic_crypto_server_stream.h
index 852bb93..a8755c3 100644
--- a/quic/core/quic_crypto_server_stream.h
+++ b/quic/core/quic_crypto_server_stream.h
@@ -220,11 +220,11 @@
 // including the version used by |session|. |crypto_config|, |session|, and
 // |helper| must all outlive the stream. The caller takes ownership of the
 // returned object.
-std::unique_ptr<QuicCryptoServerStreamBase> CreateCryptoServerStream(
-    const QuicCryptoServerConfig* crypto_config,
-    QuicCompressedCertsCache* compressed_certs_cache,
-    QuicSession* session,
-    QuicCryptoServerStream::Helper* helper);
+QUIC_EXPORT_PRIVATE std::unique_ptr<QuicCryptoServerStreamBase>
+CreateCryptoServerStream(const QuicCryptoServerConfig* crypto_config,
+                         QuicCompressedCertsCache* compressed_certs_cache,
+                         QuicSession* session,
+                         QuicCryptoServerStream::Helper* helper);
 
 }  // namespace quic