reduce object size (struct ByUnfoldKey)

diff --git a/src/regenc.h b/src/regenc.h
index dd6bd33229f2d6ac6f5ceb7e476b5aeba786621e..cda3bcd8feb8bc028e476933a531aa51a8266077 100644 (file)
--- a/src/regenc.h
+++ b/src/regenc.h
@@ -199,8 +199,8 @@ extern OnigCodePoint OnigUnicodeFolds3[];
 
 struct ByUnfoldKey {
   OnigCodePoint code;
-  int   index;
-  int   fold_len;
+  short int     index;
+  short int     fold_len;
 };
 
 extern const struct ByUnfoldKey* unicode_unfold_key(OnigCodePoint code);