Additional deallocation fixes.

ChangeLog

 2012-09-19  Niels Möller  <nisse@lysator.liu.se>
 
+	From Tim Rühsen:
+	* examples/rsa-encrypt.c (main): Added missing mpz_clear.
+	* examples/rsa-keygen.c (main): Added missing deallocation.
+
 	* testsuite/meta-hash-test.c (test_main): Validate
 	NETTLE_MAX_HASH_DIGEST_SIZE.
 

examples/rsa-encrypt.c

@@ -254,6 +254,8 @@ main(int argc, char **argv)
 
   write_bignum(stdout, x);
 
+  mpz_clear (x);
+
   if (!process_file(&ctx,
 		    stdin, stdout))
     return EXIT_FAILURE;

examples/rsa-keygen.c

@@ -160,5 +160,11 @@ main(int argc, char **argv)
       return EXIT_FAILURE;
     }
 
+  nettle_buffer_clear(&priv_buffer);
+  nettle_buffer_clear(&pub_buffer);
+  rsa_public_key_clear(&pub);
+  rsa_private_key_clear(&priv);
+  free (pub_name);
+  
   return EXIT_SUCCESS;
 }