Index: include/grub/shared.h
===================================================================
--- include/grub/shared.h	(revision 124)
+++ include/grub/shared.h	(working copy)
@@ -56,7 +56,7 @@
 
 /* The buffer for the unique string.  */
 #define UNIQUE_BUFLEN		MAX_CMDLINE
-
+extern char UNIQUE_BUF[];
 /* The buffer for the menu entries.  */
 extern char MENU_BUF[];
 #define MENU_BUFLEN		0x1000