hw/watchdog.h -> include/sysemu/watchdog.h

Change-Id: I5beefeffa9a368946eb43f5c98067423b7934ed5
diff --git a/vl.c b/vl.c
index 64d52d5..2ffc2bb 100644
--- a/vl.c
+++ b/vl.c
@@ -141,7 +141,7 @@
 #include "hw/isa/isa.h"
 #include "hw/baum.h"
 #include "hw/bt.h"
-#include "hw/watchdog.h"
+#include "sysemu/watchdog.h"
 #include "hw/i386/smbios.h"
 #include "hw/xen.h"
 #include "sysemu/bt.h"