break-kat.go should have a copyright header. Change-Id: I79cf0a885bfdd15cf604f354f7eb576216707826 Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/71427 Auto-Submit: Adam Langley <agl@google.com> Commit-Queue: Adam Langley <agl@google.com> Reviewed-by: Bob Beck <bbe@google.com>

diff --git a/util/fipstools/break-kat.go b/util/fipstools/break-kat.go
index 8f4a2e9..0390ea8 100644
--- a/util/fipstools/break-kat.go
+++ b/util/fipstools/break-kat.go

@@ -1,3 +1,17 @@
+// Copyright (c) 2022, Google Inc.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
 // break-kat corrupts a known-answer-test input in a binary and writes the
 // corrupted binary to stdout. This is used to demonstrate that the KATs in the
 // binary notice the error.