Add missing errors codes for alerts.

This gives inappropriate_fallback and close_notify sent during the handshake
error strings. It'd also avoid having to write
  case SSL_AD_REASON_OFFSET + SSL_AD_CLOSE_NOTIFY:
in Chromium.

Change-Id: I42123d5452eb7843ead883d112e58b3f087d3067
Reviewed-on: https://boringssl-review.googlesource.com/1780
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index 3838511..e52288a 100644
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -2790,6 +2790,7 @@
 #define SSL_R_UNPROCESSED_HANDSHAKE_DATA 440
 #define SSL_R_HANDSHAKE_RECORD_BEFORE_CCS 441
 #define SSL_R_SESSION_MAY_NOT_BE_CREATED 442
+#define SSL_R_SSLV3_ALERT_CLOSE_NOTIFY 1000
 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE 1010
 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC 1020
 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED 1021
@@ -2811,6 +2812,7 @@
 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION 1070
 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY 1071
 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR 1080
+#define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK 1086
 #define SSL_R_TLSV1_ALERT_USER_CANCELLED 1090
 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION 1100
 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION 1110