1 files changed, 2 insertions, 2 deletions
diff --git a/filter/trie.c b/filter/trie.c
index ffb9b99..fb405de 100644
--- a/filter/trie.c
+++ b/filter/trie.c
@@ -70,6 +70,7 @@
  */
 
 #include "nest/bird.h"
+#include "lib/string.h"
 #include "conf/conf.h"
 #include "filter/filter.h"
 
@@ -177,7 +178,6 @@ trie_add_prefix(struct f_trie *t, struct f_prefix *px)
 {
   int l, h;
   int plen = px->len & LEN_MASK;
-  ip_addr pmask = ipa_mkmask(plen);
 
   /* 'l' and 'h' are lower and upper bounds on accepted
      prefix lengths, both inclusive. 0 <= l, h <= 32 */
@@ -272,7 +272,7 @@ static int
 trie_node_print(struct f_trie_node *t, char *buf, int blen)
 {
   if (t == NULL)
-    return;
+    return 0;
 
   int old_blen = blen;
   int wb = 0; // bsnprintf(buf, blen, "%I/%d accept %I\n", t->addr, t->plen, t->accept);