Some amount of Fordyce's glands, more or less, are found on upto 8/10 people. They are no cause of worry at all, they are perfectly normal glands, only their location makes them visible. You should not worry about them.
You can look up here:
http://www.answers.com/topic/fordyce-s-spots I hope this answer was helpful. If you need more information, feel free to ask. For accepting this answer, please click on the green 'accept' button below. Feedback/Bonus will be warmly appreciated.