Make "(no) ip address x.x.x.x/x" commands work again in vtysh.
diff --git a/isisd/isis_circuit.c b/isisd/isis_circuit.c
index 53a341f..c692e3f 100644
--- a/isisd/isis_circuit.c
+++ b/isisd/isis_circuit.c
@@ -1546,6 +1546,7 @@
   return CMD_SUCCESS;
 }
 
+#if 0
 DEFUN (ip_address,
        ip_address_cmd,
        "ip address A.B.C.D/A",
@@ -1649,6 +1650,7 @@
   
   return CMD_SUCCESS;
 }
+#endif
 
 DEFUN (no_isis_hello,
        no_isis_hello_cmd,