Fix for case with ssl->error not being set.

src/internal.c

@@ -17642,7 +17642,8 @@ int SendData(WOLFSSL* ssl, const void* data, int sz)
     if (ssl->earlyData != no_early_data) {
         if (ssl->options.handShakeState == HANDSHAKE_DONE) {
             WOLFSSL_MSG("handshake complete, trying to send early data");
-            return BUILD_MSG_ERROR;
+            ssl->error = BUILD_MSG_ERROR;
+            return WOLFSSL_FATAL_ERROR;
         }
     #ifdef WOLFSSL_EARLY_DATA_GROUP
         groupMsgs = 1;