Disable zsync for ubuntu-touch images.

debian/changelog

@@ -1,6 +1,7 @@
 livecd-rootfs (2.129) UNRELEASED; urgency=low
 
   * Don't build a squashfs for ubuntu-touch images.
+  * Disable zsync for ubuntu-touch images.
 
  -- Colin Watson <cjwatson@ubuntu.com>  Fri, 03 May 2013 10:35:43 -0700
 

live-build/auto/config

@@ -278,6 +278,7 @@ case $PROJECT in
 		OPTS="${OPTS:+$OPTS }--swap-file-path SWAP.swap"
 		OPTS="${OPTS:+$OPTS }--swap-file-size 100"
 		OPTS="${OPTS:+$OPTS }--system normal"
+		OPTS="${OPTS:+$OPTS }--zsync false"
 		;;
 
 	*)