grbl/grbl — pull request #60 by nullsub (2012-02-07 18:36:44+00:00)
Title: Fix overflow bug in serial.c

There is a little bug in serial.c where rx_buffer_tail, an uint8_t, is compared to 256(RX_BUFFER_SIZE). This bug was probably not noticed since the rx_buffer_tail is correctly set to zero because of the overflow. I can't imagine that was intended since that would have rendered the if statement superfluous.

The other commit just adds an include. Does the include have any special purpose in this header?