cups-filters: change etc/cups group via INSTALL.

srcpkgs/cups-filters/INSTALL

@@ -0,0 +1,5 @@
+case ${ACTION} in
+post)
+	chgrp -R lp etc/cups
+	;;
+esac

srcpkgs/cups-filters/template

@@ -1,7 +1,7 @@
 # Template file for 'cups-filters'
 pkgname=cups-filters
 version=1.0.58
-revision=3
+revision=4
 build_style=gnu-configure
 configure_args="--disable-static --with-rcdir=no --enable-avahi
  --with-browseremoteprotocols=DNSSD,CUPS"
@@ -30,7 +30,6 @@ post_install() {
 	if [ "$build_option_systemd" ]; then
 		vinstall utils/cups-browsed.service 644 usr/lib/systemd/system
 	fi
-	chgrp -R lp ${DESTDIR}/etc/cups
 }
 
 libcups-filters_package() {