.jshintrc

tests: conditionalize out tests that msys is mangling

This was exposed by ac0a87160012.  The paths for convert and ssh respectively
are being turned into:

   $TESTTMP\bzr+ssh:\[e-mail]\baz\.hg

   'C:\\C:\\Users\\Matt\\AppData\\Local\\Temp\\hgtests.8awa9x\\child1\\test-ssh-bundle1.t-sshv2\\nonexistent\\.hg

The errno value raised is 123, and the message is

   The filename, directory name, or volume label syntax is incorrect

{
    // 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)
}