libbrillo: add default constructor for FileDescriptor
This allows us to default-construct the struct so a pointer to
one can be passed to D-Bus callers as an out-argument.
BUG=chromium:821633
TEST=compile new bindings with permission_broker
Change-Id: I1c94d66c24d493a8e35c23724c316cb17bd22fa2
Reviewed-on: https://chromium-review.googlesource.com/976870
Commit-Ready: Eric Caruso <ejcaruso@chromium.org>
Tested-by: Eric Caruso <ejcaruso@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
1 file changed
