Shift parameters so the pkg list doesn't include the destination.

This shift was forgotten in the earlier commit.

config/chroot_local-hooks/10-tbb

@@ -145,6 +145,7 @@ EOF
 install_debian_extensions() {
     local destination
     destination="${1}"
+    shift
     apt-get install --yes "${@}"
     ln -s /usr/share/xul-ext/adblock-plus/ \
           "${destination}"/'{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}'