at: update to 3.1.18.

srcpkgs/at/template

@@ -1,11 +1,13 @@
 # Template file for 'at'
 pkgname=at
-version=3.1.16
-revision=3
+version=3.1.18
+revision=1
+create_wrksrc=yes
 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
  SENDMAIL=/usr/sbin/sendmail"
+disable_parallel_build=yes
 conf_files="/etc/at.deny"
 system_accounts="at"
 at_homedir="/var/spool/atd"
@@ -18,7 +20,7 @@ maintainer="Christian Neukirchen <chneukirchen@gmail.com>"
 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
+checksum=dbd5c8cb8edd53ef467363c3af0391c08769f1dbbd4d5002c59a4cd4cac11d52
 
 do_install() {
 	sed -i '/chown/d' Makefile