Define `_CHISE_H'.

diff --git a/chise.h b/chise.h
index 87cea05..6ad7ed2 100644 (file)
--- a/chise.h
+++ b/chise.h
@@ -1,4 +1,5 @@
 #ifndef _CHISE_H
+#define _CHISE_H
 
 #include <db.h>
 #include <errno.h>