ngtcp2(.h): remove typo on comment about nghttp2
@@ -125,7 +125,7 @@ typedef void *(*ngtcp2_realloc)(void *ptr, size_t size, void *mem_user_data);
* }
*
* void conn_new() {
- * nghttp2_mem mem = {NULL, my_malloc_cb, my_free_cb, my_calloc_cb,
+ * ngtcp2_mem mem = {NULL, my_malloc_cb, my_free_cb, my_calloc_cb,
* my_realloc_cb};
*
* ...
