Use runtime version

Author: AA-Turner

Modules/_zstd/_zstdmodule.c

@@ -570,9 +570,12 @@ add_vars_to_module(PyObject *m)
     }
 
     /* zstd_version_info, tuple of (int, int, int) */
+    const unsigned version = ZSTD_versionNumber();
+    const uint8_t v_major = version / 100 / 100;
+    const uint8_t v_minor = (version / 100) % 100;
+    const uint8_t v_release = version % 100;
     if (PyModule_Add(m, "zstd_version_info",
-            Py_BuildValue("BBB", ZSTD_VERSION_MAJOR, ZSTD_VERSION_MINOR,
-                          ZSTD_VERSION_RELEASE)) < 0) {
+            Py_BuildValue("BBB", v_major, v_minor, v_release)) < 0) {
         return -1;
     }