Enforce max_early_data_size on the server.

BUG=76

Change-Id: I8b754ba17b3e0beee425929e4b53785b2e95f0ae
Reviewed-on: https://boringssl-review.googlesource.com/15164
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index b52d80c..1ee7e5c 100644
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -4664,5 +4664,6 @@
 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE 1114
 #define SSL_R_TLSV1_UNKNOWN_PSK_IDENTITY 1115
 #define SSL_R_TLSV1_CERTIFICATE_REQUIRED 1116
+#define SSL_R_TOO_MUCH_READ_EARLY_DATA 1117
 
 #endif /* OPENSSL_HEADER_SSL_H */