Implement _PyUnicode_EqualToASCIIId

Required for the stringprep module, which is used at some point in flask or pytest

Author: Adam Hrbac

graalpython/com.oracle.graal.python.cext/src/unicodeobject.c

@@ -701,3 +701,6 @@ PyUnicode_DecodeLatin1(const char *s,
     return _PyUnicode_FromUCS1((const unsigned char*)s, size);
 }
 
+int _PyUnicode_EqualToASCIIId(PyObject *left, _Py_Identifier *right) {
+    return _PyUnicode_EqualToASCIIString(left, right->string);
+}