Warn if running on laptops

Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

git-svn-id: svn://coreboot.org/flashrom/trunk@916 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/flash.h b/flash.h
index 76be164..8252f6d 100644
--- a/flash.h
+++ b/flash.h
@@ -382,6 +382,7 @@
 void get_io_perms(void);
 void release_io_perms(void);
 #if INTERNAL_SUPPORT == 1
+extern int is_laptop;
 void probe_superio(void);
 int internal_init(void);
 int internal_shutdown(void);