base: Include cassert in trie.hh.

trie.hh uses assert, but it wasn't explicitly including cassert.

diff --git a/src/base/trie.hh b/src/base/trie.hh
index a5aca2c6fea66b5654e007e3f2e572c4f3e920a8..e6b2881ab14fe9fd24038a72c63b704b5614d0cf 100644 (file)
--- a/src/base/trie.hh
+++ b/src/base/trie.hh
@@ -31,6 +31,8 @@
 #ifndef __BASE_TRIE_HH__
 #define __BASE_TRIE_HH__
 
+#include <cassert>
+
 #include "base/cprintf.hh"
 #include "base/misc.hh"
 #include "base/types.hh"