hwmon: normal_i2c arrays should be const

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 7671d2b..149ef25 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -52,7 +52,7 @@
 #include <linux/mutex.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
+static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
 					I2C_CLIENT_END };
 
 /* Insmod parameters */