archlinux: added meson as dependency

indimail-src/archlinux.src

@@ -11,7 +11,7 @@ RUN mkdir -p /root /usr/local/srctmp /var/log/build \
 	&& pacman -S  --noconfirm --needed base-devel git diffutils coreutils \
 		openssl openssh openldap mysql libidn2 wget gd man-db man-pages \
 		binutils cronie net-tools strace lsof vim syslog-ng logrotate \
-		inetutils which libidn libev libsodium libgcrypt pcre tcl tk \
+		inetutils which libidn libev libsodium libgcrypt pcre tcl tk meson \
 		perl-authen-sasl perl-net-ssleay perl-digest-hmac perl-io-socket-inet6 \
 	&& pacman -S  --noconfirm --refresh --sysupgrade \
 	&& (set -e; \