RDWHAHB!
You'll be fine and have no ill effects what so ever.
Basic time table for hop additions:
bittering hops (60 min + addition) long boil extracts bitterness from hops
flavor hops (20-30 min addition) shorter boil leaves hop flavor
Aroma hops (7-10 min addition ((or less down to flame out)) ) almost no boil time releases aromatics from hops
Only thing you may have extracted a tiny bit of extra bitterness you will never notice!
More hop schedule info here:
http://www.cohomebrewers.org/node/105