[WATCHDOG] watchdog_info constify

make the watchdog_info struct const where possible.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c
index 5bfb1f2..94ec22b 100644
--- a/drivers/watchdog/wdrtas.c
+++ b/drivers/watchdog/wdrtas.c
@@ -312,7 +312,7 @@
 {
 	int __user *argp = (void __user *)arg;
 	int i;
-	static struct watchdog_info wdinfo = {
+	static const struct watchdog_info wdinfo = {
 		.options = WDRTAS_SUPPORTED_MASK,
 		.firmware_version = 0,
 		.identity = "wdrtas",