.jshintrc

manifest: reject lines shorter than 42 bytes, not 22

Yuya correctly spotted during the review of f27f8e9ef1e73 that we're
dealing with hexlified hashes here, and so it should be 42 bytes not
22.

Differential Revision: https://phab.mercurial-scm.org/D5347

{
    // Enforcing
    "eqeqeq"        : true,     // true: Require triple equals (===) for comparison
    "forin"         : true,     // true: Require filtering for..in loops with obj.hasOwnProperty()
    "freeze"        : true,     // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
    "nonbsp"        : true,     // true: Prohibit "non-breaking whitespace" characters.
    "undef"         : true,     // true: Require all non-global variables to be declared (prevents global leaks)

    // Environments
    "browser"       : true      // Web Browser (window, document, etc)
}