The write method must return the number of byte successfully written
(1 in this case).
This fixes the library with the latest AVR core that stops writing
on error:
25d81c98e4
Without this patch the LCD shows only the first charater of a string.
LiquidCrystal_I2C
LiquidCrystal Arduino library for the DFRobot I2C LCD displays
Description
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