define NKF_H. [nkf-forum:47958]

diff --git a/nkf.h b/nkf.h
index 0578e1c..4aea67a 100755 (executable)
--- a/nkf.h
+++ b/nkf.h
@@ -6,6 +6,7 @@
  */
 
 #ifndef NKF_H
+#define NKF_H
 
 /* Wrapper of configurations */