XXXX adding PID information to netstat output

@@ -60,12 +60,12 @@
  * (address, size) of a memory segment.  The ks_ndata and ks_data_size fields
  * are both zero.
  *
  * sockfs:*:sock_unix_list
  * This is stored as an array with one entry per active socket.  Each element
- * is of type struct k_sockinfo.  The ks_ndata and ks_data_size fields are both
- * zero.
+ * is of type struct sockinfo.  ks_ndata is the number of elements of that array
+ * and ks_data_size is the total size of the array.
  *
  * Note that the ks_ndata and ks_data_size of many non-array raw kstats are
  * also incorrect.  The relevant assertions are therefore commented out in the
  * appropriate raw kstat read routines.
  */