Make vboot_reference build in MSVC command line environment.

tests/test_common.h

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  */
 
 #ifndef VBOOT_REFERENCE_TEST_COMMON_H_
 #define VBOOT_REFERENCE_TEST_COMMON_H_
 
-#include <stdint.h>
-
 extern int gTestSuccess;
 
 /* Return 1 if result is equal to expected_result, else return 0.
  * Also update the global gTestSuccess flag if test fails. */
 int TEST_EQ(int result, int expected_result, char* testname);
 /* Return 0 if result is equal to not_expected_result, else return 1.
  * Also update the global gTestSuccess flag if test fails. */
 int TEST_NEQ(int result, int not_expected_result, char* testname);
 
+/* ANSI Color coding sequences.
+ *
+ * Don't use \e as MSC does not recognize it as a valid escape sequence.
+ */
+#define COL_GREEN "\x1b[1;32m"
+#define COL_RED "\x1b[0;31m"
+#define COL_STOP "\x1b[m"
+
 #endif  /* VBOOT_REFERENCE_TEST_COMMON_H_ */