libgpiod: bump version to v0.3.2

libgpiod: bump version to v0.3.2

Bug fix release:
- correctly handle signal interrupts when polling in gpiod_simple_event_loop()
- fix the linking order when building with static libraries
- pass the correct consumer string to gpiod_simple_get_value_multiple() in
  gpioget
- fix a line test case: don't use open-drain or open-source flags for input
  mode
- fix the flags passed to ar in order to supress a build warning
- set the last error code in gpiod_chip_open_by_label() to ENOENT if a chip
  can't be found

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>