[llvm] [bazel] add missing dep to errno_test_helpers (PR #132278)

[Michael Jones via llvm-commits]

https://github.com/michaelrj-google created https://github.com/llvm/llvm-project/pull/132278

Bazel doesn't complain, but downstream it's causing build failures.


>From 34055f80afaa409209641f589d203f395b29d969 Mon Sep 17 00:00:00 2001
From: Michael Jones <michaelrj at google.com>
Date: Thu, 20 Mar 2025 13:32:56 -0700
Subject: [PATCH] [bazel] add missing dep to errno_test_helpers

Bazel doesn't complain, but downstream it's causing build failures.
---
 utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel | 1 +
 1 file changed, 1 insertion(+)

diff --git a/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
index 27e468ddeb5f5..b37ec19330236 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
@@ -80,6 +80,7 @@ libc_test_library(
     ],
     deps = [
         ":LibcUnitTest",
+        "//libc:__support_macros_config",
         "//libc:errno",
     ],
 )