netcfg: change chroot format for ifupdown

helpers/DATA/netcfg/ifupdown.patch

@@ -4,7 +4,7 @@
  	NM_IS_INSTALLED=true
  else
  	NM_IS_INSTALLED=false
-+	in-target sh -c "apt-get -y install ifupdown"
++	chroot /target apt-get -y install ifupdown
  fi
  
  # The type of the connection used during installation

helpers/make-netcfg

@@ -17,7 +17,7 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 
-VERSION=2.1
+VERSION=2.2
 EXTERNAL='deb-src http://ftp.debian.org/debian stable main'
 REPOKEY=648ACFD622F3D138
 NETINST=true