[%pS migration] Use %pS in ext/spl/spl_observer.c

Author: DanielEScherzer

ext/spl/spl_observer.c

@@ -106,8 +106,8 @@ static zend_result spl_object_storage_get_hash(zend_hash_key *key, spl_SplObject
 		} else {
 			/* TODO PHP 9: Remove this as this will be enforced from the return type */
 			if (UNEXPECTED(Z_TYPE(rv) != IS_STRING)) {
-				zend_type_error("%s::getHash(): Return value must be of type string, %s returned",
-					ZSTR_VAL(intern->std.ce->name), zend_zval_value_name(&rv));
+				zend_type_error("%pS::getHash(): Return value must be of type string, %s returned",
+					intern->std.ce->name, zend_zval_value_name(&rv));
 				zval_ptr_dtor(&rv);
 				return FAILURE;
 			} else {