hwmon: normal_i2c arrays should be const

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
diff --git a/drivers/hwmon/fscher.c b/drivers/hwmon/fscher.c
index 721c701..ed26b66 100644
--- a/drivers/hwmon/fscher.c
+++ b/drivers/hwmon/fscher.c
@@ -40,7 +40,7 @@
  * Addresses to scan
  */
 
-static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
 
 /*
  * Insmod parameters