Clutches, like brake pads, will produce some smell as they seat in. If the clutch has not been slipped much, and then it's heated up, it'll stink. I wouldn't worry unless it becomes a weekly thing.
2012 Kona Blue 3.7, M6, 101A, security package, built 5/3/11. Mods:
The list is long, like WRXified's winky used to be. Other junk:
1994 Z28 conv LT1 A4 - 1965 Custom 2dr 390 M4 - 1962 Galaxie 4dr 427 A3 - 1979 Firebird Formula EV (work in progress) - 1967 Austin Healy Sprite (basket case)