kobject: fix kobject hotplug debug message to show more needed info.

lib/kobject.c

@@ -185,8 +185,8 @@ static void kset_hotplug(const char *action, struct kset *kset,
 		}
 	}
 
-	pr_debug ("%s: %s %s %s %s %s %s\n", __FUNCTION__, argv[0], argv[1],
-		  envp[0], envp[1], envp[2], envp[3]);
+	pr_debug ("%s: %s %s %s %s %s %s %s\n", __FUNCTION__, argv[0], argv[1],
+		  envp[0], envp[1], envp[2], envp[3], envp[4]);
 	retval = call_usermodehelper (argv[0], argv, envp, 0);
 	if (retval)
 		pr_debug ("%s - call_usermodehelper returned %d\n",