cast to PyUnicodeObject (#468)

Author: davidism

CHANGES.rst

@@ -3,6 +3,8 @@ Version 3.0.1
 
 Unreleased
 
+-   Address compiler warnings that became errors in GCC 14. :issue:`466`
+
 
 Version 3.0.0
 -------------

src/markupsafe/_speedups.c

@@ -160,11 +160,11 @@ escape_unicode(PyObject *self, PyObject *s)
 
 	switch (PyUnicode_KIND(s)) {
 	case PyUnicode_1BYTE_KIND:
-		return escape_unicode_kind1(s);
+		return escape_unicode_kind1((PyUnicodeObject*) s);
 	case PyUnicode_2BYTE_KIND:
-		return escape_unicode_kind2(s);
+		return escape_unicode_kind2((PyUnicodeObject*) s);
 	case PyUnicode_4BYTE_KIND:
-		return escape_unicode_kind4(s);
+		return escape_unicode_kind4((PyUnicodeObject*) s);
 	}
 	assert(0);  /* shouldn't happen */
 	return NULL;