postfix: update to 3.2.3.

Disable NIS on glibc too, as glibc 2.26 doesn't include it by default anymore.

srcpkgs/postfix/template

@@ -1,13 +1,13 @@
 # Template file for 'postfix'
 pkgname=postfix
-version=3.2.2
+version=3.2.3
 revision=1
 short_desc="High-performance mail transport agent"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
 license="IBM Public License 1.0, BSD-alike"
 homepage="http://www.postfix.org/"
 distfiles="ftp://ftp.porcupine.org/mirrors/postfix-release/official/$pkgname-$version.tar.gz"
-checksum=d06849418d119d09366997b2b481bb23f737629769b4e4a52da42fb3ad8b0576
+checksum=5b0b975d075ea7561028d4109c581549b794aa92d733429ea6d9fa57751140bf
 
 hostmakedepends="perl"
 makedepends="icu-devel libressl-devel db-devel pcre-devel libsasl-devel
@@ -18,10 +18,6 @@ if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" ${pkgname}"
 fi
 
-case "${XBPS_TARGET_MACHINE}" in
-	*-musl) CFLAGS+=" -DNO_NIS" ;;
-esac
-
 system_accounts="postfix"
 postfix_homedir="/var/spool/postfix"
 system_groups="postdrop"
@@ -61,6 +57,7 @@ do_build() {
 
 	make makefiles CCARGS=" \
 		-DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I${XBPS_CROSS_BASE}/usr/include/sasl \
+		-DNO_NIS \
 		-DHAS_LDAP \
 		-DUSE_TLS \
 		-DHAS_EAI -I${XBPS_CROSS_BASE}/usr/include \