Fix bazel build.

Change-Id: Ib8cc984d27fa75b63796c910562e5d3f52416234
diff --git a/pw_build/pigweed.bzl b/pw_build/pigweed.bzl
index cb4feeb..d0ebc58 100644
--- a/pw_build/pigweed.bzl
+++ b/pw_build/pigweed.bzl
@@ -40,6 +40,7 @@
 ]
 
 INCLUDES_COPTS = [
+    "-Ipw_bloat/public",
     "-Ipw_dumb_io/public",
     "-Ipw_preprocessor/public",
     "-Ipw_span/public",
diff --git a/pw_unit_test/BUILD b/pw_unit_test/BUILD
index 4afab04..cdb4621 100644
--- a/pw_unit_test/BUILD
+++ b/pw_unit_test/BUILD
@@ -50,6 +50,7 @@
         "//pw_dumb_io",
         "//pw_preprocessor",
         "//pw_status",
+        "//pw_string",
     ],
 )