Add a new define for gesture

Change-Id: I6e0d8de75e129a6d1a33f7c7d5f5fa8c11dd2006
diff --git a/native/jni/src/defines.h b/native/jni/src/defines.h
index 8bcadcb..c7d3bf3 100644
--- a/native/jni/src/defines.h
+++ b/native/jni/src/defines.h
@@ -255,6 +255,8 @@
 
 #define FIRST_WORD_INDEX 0
 
+#define MAX_SPACES_INTERNAL 16
+
 // TODO: Reduce this constant if possible; check the maximum number of digraphs in the same
 // word in the dictionary for languages with digraphs, like German and French
 #define DEFAULT_MAX_DIGRAPH_SEARCH_DEPTH 5