[PATCH] Fix for bttv driver (v0.9.15) for Leadtek WinFast VC100 XP capture cards

This is a tiny patch that fixes bttv-cards.c so that Leadtek WinFast VC100
XP video capture cards work.  I've been advised to post it here after
having already posted it to the v4l mailing list.

Acked-by: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>