Don't call htonl on a netmask before displaying it in --iflist; it's

already in network byte order. This bug made any mask that wasn't /32
appear as /0.

CHANGELOG

@@ -2,6 +2,9 @@
 
 [NOT YET RELEASED]
 
+o Fixed the display of route netmask bits in --iflist. Formerly, any
+  mask that was not /32 was shown as /0. [David]
+
 o Fixed an assertion failure:
     nsock_core.c:199: socket_count_write_dec: Assertion `(iod->writesd_count)
 > 0' failed.

output.cc

@@ -448,7 +448,7 @@ int print_iflist(void) {
     Tbl->addItem(0, devcol, false, "DEV", 3);
     Tbl->addItem(0, gwcol, false, "GATEWAY", 7);
     for (i = 0; i < numroutes; i++) {
-      mask_nbo = htonl(routes[i].netmask);
+      mask_nbo = routes[i].netmask;
       addr_mtob(&mask_nbo, sizeof(mask_nbo), &nbits);
       assert(nbits <= 32);
       ia.s_addr = routes[i].dest;