[roll third_party/pigweed] formatting: Fix C++ formatting after clang roll

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/75640

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 19f7a31c35fc15c..be7f7f209b6834b
Roller-URL: https://ci.chromium.org/b/8827291416014306193
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8827291416014306193
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2fb686814ed121f58ee389d6e67e8de41e235d43
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/75660
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 19f7a31..be7f7f2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 19f7a31c35fc15c90744e788f5c4815d42b9a61c
+Subproject commit be7f7f209b6834b35d21549039c6b391efdab441