Add the server snap seed to the ubuntu-cpc project

debian/changelog

@@ -2,6 +2,9 @@ livecd-rootfs (2.541) UNRELEASED; urgency=medium
 
   * Remove device nodes from Docker images. (LP: #1645468) 
 
+  [ Robert C Jennings ]
+  * Add the server snap seed to the ubuntu-cpc project
+
  -- Michael Hudson-Doyle <mwhudson@debian.org>  Wed, 26 Sep 2018 12:43:23 +1200
 
 livecd-rootfs (2.540) cosmic; urgency=medium

live-build/auto/config

@@ -696,6 +696,9 @@ case $PROJECT:${SUBPROJECT:-} in
 	ubuntu:*|kubuntu*:*|lubuntu*:*|xubuntu*:*|ubuntu-mate*:*|ubuntustudio*:*|ubuntukylin*:*|ubuntu-budgie*:*)
 		BASE_SEED='desktop'
 		;;
+	ubuntu-cpc:*)
+		BASE_SEED='server'
+		;;
 	ubuntu-server:live)
 		BASE_SEED='server'
 		# subiquity is seeded but in a separate squashfs via hooks; set HOOK_SNAPS and ALL_SNAPS.