--- fwmaker/inc/defs.h	2026/01/04 18:08:18	1.1.1.1
+++ fwmaker/inc/defs.h	2026/01/04 18:52:50	1.2
@@ -15,6 +15,7 @@ extern struct tagMtd mtd;
 extern char image[MAXPATHLEN];
 extern int imgfd;
 extern size_t imgsiz;
+extern u_char fillCh;
 
 
 #endif