build: Add missing <unistd.h> include
Missing header was caught by clang upgrade.
Bug: b/369386439
Change-Id: Ie3963982a09f3e1604ea0a79544d577d6ee00950
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/238155
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Pigweed-Auto-Submit: Dave Roth <davidroth@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed-service-accounts.iam.gserviceaccount.com>
Reviewed-by: Armando Montanez <amontanez@google.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
diff --git a/targets/host/system.cc b/targets/host/system.cc
index 8a221af..a1c5121 100644
--- a/targets/host/system.cc
+++ b/targets/host/system.cc
@@ -16,6 +16,7 @@
#include <signal.h>
#include <stdio.h>
+#include <unistd.h>
#include "pw_assert/check.h"
#include "pw_channel/stream_channel.h"
