use yyfree/yyalloc during bytevector lex
use yyfree/yyalloc during bytevector lex

ktakashi/picrin,picrin-scheme/picrin,leavesbnw/picrin,koba-e964/picrin,dcurrie/picrin,ktakashi/picrin,ktakashi/picrin,koba-e964/picrin,koba-e964/picrin,omasanori/picrin,omasanori/picrin,picrin-scheme/picrin,leavesbnw/picrin,dcurrie/picrin,leavesbnw/picrin