VBoot Reference: Fix many memory leaks.

src/platform/vboot_reference/tests/rsa_padding_test.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.
  */
 
 #include "rsa_padding_test.h"
 
 #include <stdio.h>
 
 #include "file_keys.h"
@@ skipping 23 matching lines @@
   for (i = 1; i < sizeof(signatures) / sizeof(signatures[0]); i++) {
     if (RSAVerify(key, signatures[i], RSA1024NUMBYTES, 0,
                   test_message_sha1_hash)) {
       fprintf(stderr, "RSA Padding Test vector %d FAILED!\n", i);
       error = 255;  /* Test failure. */
     }
   }
   if (!error)
     fprintf(stderr, "RSA Padding Test PASSED for all test vectors.");
 
+  RSAPublicKeyFree(key);
   return error;
 }