zcip.script: fix $ip environment variable

The environment variable containing the IP address allocated by zcip
is "ip" and not "IP".

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/examples/zcip.script b/examples/zcip.script
index 988e542..e543c30 100755 (executable)
--- a/examples/zcip.script
+++ b/examples/zcip.script
@@ -20,9 +20,9 @@ config)
                exit 1
        fi
        # remember $ip for $interface, to use on restart
-       if [ "x$IP" != x -a -w "$IP.$interface" ]
+       if [ "x$ip" != x -a -w "$ip.$interface" ]
        then
-               echo $ip > "$IP.$interface"
+               echo $ip > "$ip.$interface"
        fi
        exec ip address add dev $interface \
                scope link local "$ip/16" broadcast +