pw_assert_log: Make assert_log.h accessible

Change-Id: Ic6455f622b95b53ad3e53ff07d72f1efa8c2e6df
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/47162
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Alexei Frolov <frolv@google.com>
diff --git a/pw_assert_log/BUILD.gn b/pw_assert_log/BUILD.gn
index 742c8be..5ecd0c1 100644
--- a/pw_assert_log/BUILD.gn
+++ b/pw_assert_log/BUILD.gn
@@ -30,8 +30,10 @@
     ":backend_config",
     ":default_config",
   ]
-  deps = [ ":core" ]
-  public_deps = [ "$dir_pw_log" ]
+  public_deps = [
+    ":core",
+    dir_pw_log,
+  ]
   public = [ "public_overrides/pw_assert_backend/assert_backend.h" ]
 }