When we use the ntpserverip environment variable argv[1] may not be set.
Printing the error message using the NetNtpServerIP variable ensures the
correct output in both cases.
Signed-off-by: Luuk Paulussen <luuk.paulussen@alliedtelesis.co.nz>
Acked-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: Ben Warren <biggerbadderben@gmail.com>
Acked-by: Detlev Zundel <dzu@denx.de>
        else NetTimeOffset = simple_strtol (toff, NULL, 10);
 
        if (NetLoop(SNTP) < 0) {
-               printf("SNTP failed: host %s not responding\n", argv[1]);
+               printf("SNTP failed: host %pI4 not responding\n",
+                       &NetNtpServerIP);
                return 1;
        }