Fixes some warnings.

nest/rt-attr.c

@@ -815,7 +815,7 @@ rta_alloc_hash(void)
 static inline unsigned int
 rta_hash(rta *a)
 {
-  return (((unsigned) a->src) ^ ipa_hash(a->gw) ^
+  return (((uint) (uintptr_t) a->src) ^ ipa_hash(a->gw) ^
 	  mpnh_hash(a->nexthops) ^ ea_hash(a->eattrs)) & 0xffff;
 }
 

proto/bfd/bfd.c

@@ -1062,7 +1062,7 @@ bfd_copy_config(struct proto_config *dest, struct proto_config *src)
   // struct bfd_config *s = (struct bfd_config *) src;
 
   /* We clean up patt_list and neigh_list, neighbors and ifaces are non-sharable */
-  init_list(&d->patt_list);  
+  init_list(&d->patt_list);
   init_list(&d->neigh_list);
 }
 
@@ -1071,7 +1071,7 @@ bfd_show_sessions(struct proto *P)
 {
   byte tbuf[TM_DATETIME_BUFFER_SIZE];
   struct bfd_proto *p = (struct bfd_proto *) P;
-  uint state, diag;
+  uint state, diag UNUSED;
   u32 tx_int, timeout;
   const char *ifname;
 

sysdep/unix/io.c

@@ -1967,7 +1967,7 @@ io_loop(void)
 	  while (current_sock && count < MAX_RX_STEPS)
 	    {
 	      sock *s = current_sock;
-	      int e;
+	      int e UNUSED;
 
 	      if ((s->type < SK_MAGIC) && FD_ISSET(s->fd, &rd) && s->rx_hook)
 		{