Use "sid" as target for the symlinks as this distribution always exists.

debian/changelog

 live-build (5.0~a11-1kali2) kali-dev; urgency=medium
 
   * Add data/debian-cd/ symlinks for sana via debian/live-build.links.
+  * Use "sid" as target for the symlinks as this distribution always exists.
 
  -- Raphaël Hertzog <hertzog@debian.org>  Mon, 09 Nov 2015 17:16:18 +0100
 

debian/live-build.links

-usr/share/live/build/data/debian-cd/jessie usr/share/live/build/data/debian-cd/moto
-usr/share/live/build/data/debian-cd/jessie usr/share/live/build/data/debian-cd/sana
-usr/share/live/build/data/debian-cd/jessie usr/share/live/build/data/debian-cd/safi
-usr/share/live/build/data/debian-cd/jessie usr/share/live/build/data/debian-cd/kali-current
-usr/share/live/build/data/debian-cd/jessie usr/share/live/build/data/debian-cd/kali-dev
-usr/share/live/build/data/debian-cd/jessie usr/share/live/build/data/debian-cd/kali-rolling
+usr/share/live/build/data/debian-cd/sid usr/share/live/build/data/debian-cd/moto
+usr/share/live/build/data/debian-cd/sid usr/share/live/build/data/debian-cd/sana
+usr/share/live/build/data/debian-cd/sid usr/share/live/build/data/debian-cd/safi
+usr/share/live/build/data/debian-cd/sid usr/share/live/build/data/debian-cd/kali-current
+usr/share/live/build/data/debian-cd/sid usr/share/live/build/data/debian-cd/kali-dev
+usr/share/live/build/data/debian-cd/sid usr/share/live/build/data/debian-cd/kali-rolling