New comment by tornaria on void-packages repository

https://github.com/void-linux/void-packages/pull/49606#issuecomment-2028488184

Comment:
Thanks @unspecd 

I'm a bit unsure about the vendored zstd. Have you tried it with the system 1.5.6?

What do you think about the following patch:
```
--- a/c-ext/backend_c.c	2023-11-01 02:58:34.000000000 -0300
+++ b/c-ext/backend_c.c	2024-03-29 21:32:40.694372789 -0300
@@ -152,7 +152,7 @@
     PyObject *features = NULL;
     PyObject *feature = NULL;
     unsigned zstd_ver_no = ZSTD_versionNumber();
-    unsigned our_hardcoded_version = 10505;
+    unsigned our_hardcoded_version = ZSTD_VERSION_NUMBER;
     if (ZSTD_VERSION_NUMBER != our_hardcoded_version ||
         zstd_ver_no != our_hardcoded_version) {
         PyErr_Format(
```
This eliminates the hardcoded version; it will still check that the build-time version matches the runtime version, so if zstd is updated then python3-zstandard will need to be rebuilt (and @leahneukirchen placed a note in zstd template to that effect).