export SNAP_REEXEC=0 to our snappy systemd units in the livefs overlay,

to work around apparmor not working reliably against aufs.

debian/changelog

@@ -1,10 +1,15 @@
 livecd-rootfs (2.473) UNRELEASED; urgency=medium
 
+  [ Balint Reczey ]
   * Clean up dangling /boot/initrd.img symlink when needed
   * Revert ignoring failure of minimized autopkgtest on ppc64el
   * Use kvm kernel only on amd64
   * Skip installing server task when building minimial images
 
+  [ Steve Langasek ]
+  * export SNAP_REEXEC=0 to our snappy systemd units in the livefs overlay,
+    to work around apparmor not working reliably against aufs.
+
  -- Balint Reczey <rbalint@ubuntu.com>  Wed, 11 Oct 2017 01:58:39 +0200
 
 livecd-rootfs (2.472) artful; urgency=medium

live-build/ubuntu-server/includes.binary/overlay/etc/systemd/system/snap.subiquity.started.service.d/no-reexec.conf

@@ -0,0 +1,2 @@
+[Service]
+Environment=NO_REEXEC=0

live-build/ubuntu-server/includes.binary/overlay/etc/systemd/system/snapd.service.d/no-reexec.conf

@@ -0,0 +1,2 @@
+[Service]
+Environment=NO_REEXEC=0