at: build with pie/relro.

srcpkgs/at/template

@@ -1,7 +1,7 @@
 # Template file for 'at'
 pkgname=at
 version=3.1.16
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="--with-jobdir=/var/spool/atd --with-atspool=/var/spool/atd
  --sbindir=/usr/bin --with-daemon_username=at --with-daemon_groupname=at
@@ -19,6 +19,7 @@ license="GPL-2"
 homepage="http://packages.qa.debian.org/a/at.html"
 distfiles="${DEBIAN_SITE}/main/a/${pkgname}/${pkgname}_${version}.orig.tar.gz"
 checksum=cb9af59c6a54edce9536ba629841055409d1f89d8ae26494727a97141fb4d5c1
+build_pie=yes
 
 do_install() {
 	sed -i '/chown/d' Makefile