A closing quote was missing for an AVAILTUNES append operation, add it.
(From OE-Core rev: 7d46901840795638ff184a43e65299446fbd0b4e)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
CC: Jason Kridner <jkridner@beagleboard.org>
CC: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>