Haha it is fine! Take a deep breath and relax!
The sugar will be fermented out by the yeast. It will give you a little boost in alcohol, and maybe dry the beer out a wee bit, but it will be fine! It will actually help protect your beer by ensuring the renewed fermentation keeps a protective blanket of C02 over your beer while it ages.
If you can't get more corn sugar for bottling, then look up how much table sugar to use to prime on HowtoBrew.com!