Is Buddhism a form of nihilism?

Several days ago, I posted a quote from Osho on Facebook. Osho said:

Buddha said again and again, “That is the beauty of the word (Nirvana). All those words which create desire in you are not going to help you because desire itself is the root cause of your misery. Longing for something is your tension. Nirvana makes you absolutely free from tension: there is nothing to desire. On the contrary, you have to…