[PATCH] i2c: ds1337 BCD conversion fix

Fix BCD value errors when month=9, moving the increment inside the
BIN2BCD macro.
Fix similar code for the weekday value, just for consistency.

This bug was reported by Michael Burian <dynmail1@gassner-waagen.at>.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/i2c/chips/ds1337.c

@@ -164,9 +164,9 @@ static int ds1337_set_datetime(struct i2c_client *client, struct rtc_time *dt)
 	buf[1] = BIN2BCD(dt->tm_sec);
 	buf[2] = BIN2BCD(dt->tm_min);
 	buf[3] = BIN2BCD(dt->tm_hour);
-	buf[4] = BIN2BCD(dt->tm_wday) + 1;
+	buf[4] = BIN2BCD(dt->tm_wday + 1);
 	buf[5] = BIN2BCD(dt->tm_mday);
-	buf[6] = BIN2BCD(dt->tm_mon) + 1;
+	buf[6] = BIN2BCD(dt->tm_mon + 1);
 	val = dt->tm_year;
 	if (val >= 100) {
 		val -= 100;