Patch for ds1337 i2c driver:

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>

-- 
James Chapman
Katalix Systems Ltd
http://www.katalix.com
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