hwmon: normal_i2c arrays should be const

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index 459b70a..36d5a8c 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -36,7 +36,8 @@
 #include <linux/mutex.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
+						I2C_CLIENT_END };
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_1(lm77);