gh-157407: Fix a compilation error on Windows. (#158048)

`&PyUnicode_Type` cannot be determined at compile time on Windows.
Caused by #157393.

Author: methane

Parser/asdl_c.py

@@ -799,7 +799,7 @@ def visitModule(self, mod):
                     FIELD_SEQUENCE = 2,
                     FIELD_BUILTIN = 4,
                 };
-                static PyTypeObject *const builtin_types[] = {
+                PyTypeObject *const builtin_types[] = {
         '''))
         for c_type in builtins:
             self.emit(f"&{c_type},", 2)