Missed a final escape in last commit.

bin/setup-vpn.sh

@@ -268,7 +268,7 @@ EOF
 
 VNODES=\`/usr/local/etc/emulab/tmcc vnodelist | sed -nre 's/^VNODEID=(pcvm[0-9]*-[0-9]*) .*$/\1/p' | xargs\`
 for vnode in \$VNODES ; do
-    VTAG=\`/usr/local/etc/emulab/tmcc -n $vnode ifconfig | sed -nre 's/^.* LAN=$agglan .*VTAG=([0-9]*).*$/\1/p'\`
+    VTAG=\`/usr/local/etc/emulab/tmcc -n \$vnode ifconfig | sed -nre 's/^.* LAN=$agglan .*VTAG=([0-9]*).*$/\1/p'\`
     if [ -n "\$VTAG" ]; then
         break;
     fi