I swung by my LBS after work today - I took my bike to work in my trunk. The mechanic looked at it and said it was fine - and then he showed me what to do if it happens again. Apparently what I did the other day fixed it anyway.

So now I know my brakes are fine - and they did not charge me a dime. That was nice - but of course everything took no more than 5 minutes. It was basically just for my peace of mind anyway.