--- mfhdf/test/tncvargetfill.c.orig	2020-03-04 02:40:50.000000000 +0900
+++ mfhdf/test/tncvargetfill.c	2020-11-21 20:54:01.000000000 +0900
@@ -33,6 +33,8 @@
 #include "mfhdf.h"
 #include "hdftest.h"
 
+extern int verify_info_data( int32, int32, int16 * );
+
 #define DIM0 20	/* this value is used to declare larger buffer for when
 		   reading past the maximum number of records in the file */