build-style/ruby-module: fix _vendorlibdir because of multilib change

common/build-style/ruby-module.sh

@@ -5,5 +5,9 @@
 do_install() {
 	local _vendorlibdir=$(ruby -e 'puts RbConfig::CONFIG["vendorlibdir"]')
 
+	if [ "$XBPS_WORDSIZE" != "$XBPS_TARGET_WORDSIZE" ]; then
+		_vendorlibdir="${_vendorlibdir//lib$XBPS_WORDSIZE/lib$XBPS_TARGET_WORDSIZE}"
+	fi
+
 	LANG=C ruby install.rb --destdir=${DESTDIR} --sitelibdir=${_vendorlibdir} ${make_install_args}
 }