Fixed build and added Travis CI support.

1 files changed, 1 insertions, 1 deletions

diff --git a/upb/table.int.h b/upb/table.int.h
index 770febf..5e023c9 100644
--- a/upb/table.int.h
+++ b/upb/table.int.h
@@ -301,7 +301,7 @@ UPB_INLINE bool upb_inttable_lookup32(const upb_inttable *t, uint32_t key,
     }
   } else {
     const upb_tabent *e;
-    if (t->t.entries == NULL) return NULL;
+    if (t->t.entries == NULL) return false;
     for (e = upb_inthash(&t->t, upb_intkey(key)); true; e = e->next) {
       if ((uint32_t)e->key.num == key) {
         _upb_value_setval(v, e->val, t->t.ctype);