deps: update nghttp2 to 1.55.1

PR-URL: #48790
Backport-PR-URL: #50151
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>

deps/nghttp2/lib/includes/nghttp2/nghttp2ver.h

@@ -29,14 +29,14 @@
  * @macro
  * Version number of the nghttp2 library release
  */
-#define NGHTTP2_VERSION "1.55.0"
+#define NGHTTP2_VERSION "1.55.1"
 
 /**
  * @macro
  * Numerical representation of the version number of the nghttp2 library
  * release. This is a 24 bit number with 8 bits for major number, 8 bits
  * for minor and 8 bits for patch. Version 1.2.3 becomes 0x010203.
  */
-#define NGHTTP2_VERSION_NUM 0x013700
+#define NGHTTP2_VERSION_NUM 0x013701
 
 #endif /* NGHTTP2VER_H */

deps/nghttp2/lib/nghttp2_session.c

@@ -3296,6 +3296,7 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
       if (rv < 0) {
         int32_t opened_stream_id = 0;
         uint32_t error_code = NGHTTP2_INTERNAL_ERROR;
+        int rv2 = 0;
 
         DEBUGF("send: frame preparation failed with %s\n",
                nghttp2_strerror(rv));
@@ -3338,19 +3339,18 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
         }
         if (opened_stream_id) {
           /* careful not to override rv */
-          int rv2;
           rv2 = nghttp2_session_close_stream(session, opened_stream_id,
                                              error_code);
-
-          if (nghttp2_is_fatal(rv2)) {
-            return rv2;
-          }
         }
 
         nghttp2_outbound_item_free(item, mem);
         nghttp2_mem_free(mem, item);
         active_outbound_item_reset(aob, mem);
 
+        if (nghttp2_is_fatal(rv2)) {
+          return rv2;
+        }
+
         if (rv == NGHTTP2_ERR_HEADER_COMP) {
           /* If header compression error occurred, should terminiate
              connection. */