watchdog: MachZ: fix debug macro

Fix debug macro line wrapping.
Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/watchdog/machzwd.c

@@ -143,7 +143,7 @@ static unsigned long next_heartbeat;
 #ifndef ZF_DEBUG
 #	define dprintk(format, args...)
 #else
-#	define dprintk(format, args...) printk(KERN_DEBUG PFX
+#	define dprintk(format, args...) printk(KERN_DEBUG PFX \
 				":%s:%d: " format, __func__, __LINE__ , ## args)
 #endif