adjust priority

r3212

debian/control

@@ -1,6 +1,6 @@
 Source: netcfg
 Section: debian-installer
-Priority: standard
+Priority: optional
 Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
 Uploaders: David Kimdon <dwhedon@debian.org>, Tollef Fog Heen <tfheen@debian.org>, Matt Kraai <kraai@debian.org>
 Build-Depends: debhelper (>= 4.1.13), dpkg-dev (>= 1.9.0), libdebconfclient-dev, libdebian-installer3-dev, po-debconf (>= 0.5.0)