VBoot Reference: Fix many memory leaks.

src/platform/vboot_reference/tests/firmware_image_tests.c

 /* 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.
  *
  * Tests for firmware image library.
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 
@@ skipping 196 matching lines @@
     error_code = 255;
 
   /* Test FirmwareImage verify operations. */
   if (!VerifyFirmwareImageTest(image, root_key))
     error_code = 255;
   if (!VerifyFirmwareImageTamperTest(image, root_key))
     error_code = 255;
 
 failure:
   Free(firmware_blob);
-  Free(image);
+  FirmwareImageFree(image);
   Free(firmware_sign_key_buf);
   Free(root_key_blob);
-  Free(root_key);
+  RSAPublicKeyFree(root_key);
 
   return error_code;
 }