fix(loader): fix double spaces

[kwypchlo]

Fix double spaces in return statement. Double spaces between return and
returned value brake minification process of some minifiers (bug found on JSMin
https://github.com/mrclay/jsmin-php).

[mary-poppins]

I'm sorry, but I wasn't able to verify your Contributor License Agreement (CLA) signature. CLA signature is required for any code contributions to AngularJS.

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[kwypchlo]

@mary-poppins I have signed CLA before submitting this PR (Oct 15, 2014 00:52 PDT). My github username email match the email in CLA as well.

[lgalfaso]

@kwypchlo does the email in the commit match the email in the CLA?

[kwypchlo]

@lgalfaso yes it does

[mary-poppins]

CLA signature verified! Thank you!

Someone from the team will now triage your PR and it will be processed based on the determined priority (doc updates and fixes with tests are prioritized over other changes).

[IgorMinar]

thanks

[hzoo]

We shouldn't have any more of these since the requireSpaceAfterKeywords: true rule is added in