Fix JSHint errors in wplink.js.

props jorbin.
fixes #25914.


git-svn-id: https://develop.svn.wordpress.org/trunk@26193 602fd350-edb4-49c9-b593-d223f7449a82
Fix JSHint errors for customize-loader.

props mdbitz.
fixes #26040.


git-svn-id: https://develop.svn.wordpress.org/trunk@26194 602fd350-edb4-49c9-b593-d223f7449a82