Add comment questioning part of previous change (Denis?).

Fix indentation to match accumulated changes.

zebra/rt_socket.c

@@ -96,6 +96,11 @@ kernel_rtm_ipv4 (int cmd, struct prefix *p, struct rib *rib, int family)
     {
       gate = 0;
 
+      /*
+       * XXX We need to refrain from kernel operations in some cases,
+       * but this if statement seems overly cautious - what about
+       * other than ADD and DELETE?
+       */
       if ((cmd == RTM_ADD
 	   && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
 	  || (cmd == RTM_DELETE