[sw,dv] Update headers to pass fix_include_guards.py
See also #5693 which fixes headers using #pragma once.
Signed-off-by: Alex Bradbury <asb@lowrisc.org>
diff --git a/sw/device/lib/testing/test_coverage.h b/sw/device/lib/testing/test_coverage.h
index 4a0da29..1352df7 100644
--- a/sw/device/lib/testing/test_coverage.h
+++ b/sw/device/lib/testing/test_coverage.h
@@ -2,6 +2,9 @@
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
+#ifndef OPENTITAN_SW_DEVICE_LIB_TESTING_TEST_COVERAGE_H_
+#define OPENTITAN_SW_DEVICE_LIB_TESTING_TEST_COVERAGE_H_
+
/**
* Sends the LLVM profile buffer along with its length and CRC32.
*
@@ -10,3 +13,5 @@
* reports.
*/
void test_coverage_send_buffer(void);
+
+#endif // OPENTITAN_SW_DEVICE_LIB_TESTING_TEST_COVERAGE_H_
