altos/stm: clean up ao_exti_enable
authorKeith Packard <keithp@keithp.com>
Wed, 29 Jun 2016 19:55:30 +0000 (12:55 -0700)
committerKeith Packard <keithp@keithp.com>
Thu, 30 Jun 2016 02:17:45 +0000 (19:17 -0700)
commitc6c250711355ae8060e956e786702be250ef4527
tree09198579b6a0d9c4610b25615b30750e369fd949
parenta35424cd48205af89ba023db979959dc75b06706
altos/stm: clean up ao_exti_enable

Was computing (1 << pin) twice for no good reason.

Signed-off-by: Keith Packard <keithp@keithp.com>
src/stm/ao_exti_stm.c