AOCL LAPACK Legacy Test Suite: Compilation Fix (flame#103)

Add unistd.h to test_libflame.c to resolve compilation errors caused by its removal from FLAME.h in the legacy test suite.

AMD_Internal: CPUPL-7346

Signed-off-by: samahmad <[email protected]>

Author: Ahmad, Sameer

test/legacyflame/src/test_libflame.c

@@ -5,13 +5,18 @@
     This file is part of libflame and is available under the 3-Clause
     BSD license, which can be found in the LICENSE file at the top-level
     directory, or at http://opensource.org/licenses/BSD-3-Clause
-
 */
 
-#include "FLAME.h"
+/*
+ *  Modifications Copyright (c) 2025 Advanced Micro Devices, Inc.  All rights reserved.
+ */
 
-#include "test_libflame.h"
+#ifndef _WIN32
+#include <unistd.h>
+#endif
 
+#include "FLAME.h"
+#include "test_libflame.h"
 // Operation modules.
 #include "test_gemm.h"
 #include "test_hemm.h"