hwmon: normal_i2c arrays should be const

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 0a9eb1f..ed7859f 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -37,8 +37,8 @@
 static struct platform_device *pdev;
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
-				       0x2e, 0x2f, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
+						0x2e, 0x2f, I2C_CLIENT_END };
 static unsigned short isa_address = 0x290;
 
 /* Insmod parameters */