VBoot Reference: Fix many memory leaks.

src/platform/vboot_reference/tests/rsa_padding_test.c

Index: src/platform/vboot_reference/tests/rsa_padding_test.c
diff --git a/src/platform/vboot_reference/tests/rsa_padding_test.c b/src/platform/vboot_reference/tests/rsa_padding_test.c
index 429210bdc326a90e8e27fc2daa447df89b1b332f..b565e78994e87088510be65e0437ce14338996d2 100644
--- a/src/platform/vboot_reference/tests/rsa_padding_test.c
+++ b/src/platform/vboot_reference/tests/rsa_padding_test.c
@@ -41,5 +41,6 @@ int main(int argc, char* argv[]) {
   if (!error)
     fprintf(stderr, "RSA Padding Test PASSED for all test vectors.");
 
+  RSAPublicKeyFree(key);
   return error;
 }