DEPS.xwalk: Roll v8-crosswalk (825a59c -> 05d1cf4)

05d1cf4 Merge pull request #68 from t25kim/develop
f05733c Fix syntax error to solve build failure
748da85 Merge pull request #67 from rakuco/fix-line-endings
b6cb3b2 XDK: Convert line endings from DOS to Unix.