Unconditionally copy the build host /etc/resolv.conf into

the chroot directory, since hostname resolution may be
needed in the case of building a dvd image (with packages)
and also setting 'NOPORTS=1'.

MFC after:	3 days
X-MFC-With:	r258305, r258307
Sponsored by:	The FreeBSD Foundation

release/release.sh

@@ -159,6 +159,7 @@ if [ "x${NOPORTS}" = "x" ]; then
 	svn co ${SVNROOT}/${PORTBRANCH} ${CHROOTDIR}/usr/ports
 fi
 
+cp /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf
 cd ${CHROOTDIR}/usr/src
 make ${CHROOT_WMAKEFLAGS} buildworld
 make ${CHROOT_IMAKEFLAGS} installworld DESTDIR=${CHROOTDIR}
@@ -193,7 +194,6 @@ if [ -e ${SRC_CONF} ] && [ ! -c ${SRC_CONF} ]; then
 fi
 
 if [ -d ${CHROOTDIR}/usr/ports ]; then
-	cp /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf
 	build_doc_ports ${CHROOTDIR}
 fi