Use die_functions.bash provided by paludis

etc/paludis/hooks/sync_all_post/sync_dtd.bash

@@ -1,17 +1,13 @@
 #!/bin/bash
 
 source "${PALUDIS_EBUILD_DIR}/echo_functions.bash"
+source "${PALUDIS_EBUILD_DIR}/die_functions.bash"
 
 PORTDIR="/usr/portage"
 
 [[ -z ${PORTDIR} || "$(dirname ${PORTDIR})" == "/" ]] && die "PORTDIR empty or pointing to root!"
 
 
-die() {
-	eerror "${1}"
-	exit 1
-}
-
 cd "${PORTDIR}"/metadata || die "could not cd into '${PORTDIR}/metadata'!"
 if [[ -e dtd ]] ; then
 	einfo "dtd dir already exists, updating..."