[PATCH] dvb: ttpci: fix AUDUIO_CONTINUE ioctl

Fixed typo in AUDUIO_CONTINUE ioctl:  AUDIO_CMD_MUTE -> AUDIO_CMD_UNMUTE

Signed-off-by: "Dr. Werner Fink" <werner@suse.de>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>