Add missing includes.

Change-Id: Ic7199045d0cffb208871f52cc167194013351d32
diff --git a/native/jni/src/bigram_dictionary.cpp b/native/jni/src/bigram_dictionary.cpp
index 7ed4dc4..ac2a261 100644
--- a/native/jni/src/bigram_dictionary.cpp
+++ b/native/jni/src/bigram_dictionary.cpp
@@ -22,6 +22,7 @@
 #include "bigram_dictionary.h"
 #include "binary_format.h"
 #include "bloom_filter.h"
+#include "defines.h"
 #include "dictionary.h"
 
 namespace latinime {