The patch adds the definition vm_private_data again to
snd_pcm_lib_mmap_iomem().  It got lost during the rewrite of the mmap
stuff.
Signed-off-by: Martin Langer <martin-langer@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>