new regression data for 7.1

src/test/mb/expected/big5.out

src/test/mb/expected/euc_cn.out

src/test/mb/expected/euc_jp.out

src/test/mb/expected/euc_kr.out

src/test/mb/expected/euc_tw.out

src/test/mb/expected/mule_internal.out

src/test/mb/expected/sjis.out

src/test/mb/expected/unicode.out