Fix overlooked syntax error in live-build/auto/config.

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (24.04.16) UNRELEASED; urgency=medium
+
+  * Fix overlooked syntax error in live-build/auto/config.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Wed, 03 Jan 2024 23:38:32 -0800
+
 livecd-rootfs (24.04.15) noble; urgency=medium
 
   * live-build/ubuntu/hooks/020-ubuntu-live.chroot_early: apply to any

live-build/auto/config

@@ -113,7 +113,7 @@ _register_pass () {
 	# is not invalid to have multiple layers with .live in the name but
 	# we should not let this happen accidentally.
 	case "$PASSES $1" in
-		*.live *.live)
+		*.live\ *.live)
 			echo "ERROR: only one 'live' layer allowed"
 			exit 1
 			;;