Index: kernel/generic/include/sysinfo/sysinfo.h
===================================================================
--- kernel/generic/include/sysinfo/sysinfo.h	(revision c8bf88d737f715dd3bf256ec6f8bf31e0d3be7e1)
+++ kernel/generic/include/sysinfo/sysinfo.h	(revision d0febca9f86b5690d11fec7c645836a758567fe6)
@@ -38,4 +38,6 @@
 #include <arch/types.h>
 #include <string.h>
+
+extern bool fb_exported;
 
 typedef union sysinfo_item_val {