Update JSLint
Small fix so JSLint does not abort on the construct like [0][0].

JSLint cannot parse this line:
  l = 3 * l - [0, 0, 2, 1][padlen];
so, i've move [0, 0, 2, 1] to variable a and changed the line to
  l = 3 * l - a[padlen];
Merge pull request #801 from vandenoever/jslint2

Update JSLint.