tls: fix leak on invalid protocol method

Author: codebytere

src/crypto/crypto_context.cc

@@ -1351,14 +1351,10 @@ SecureContext* SecureContext::Create(Environment* env) {
 SecureContext::SecureContext(Environment* env, Local<Object> wrap)
     : BaseObject(env, wrap) {
   MakeWeak();
-  env->external_memory_accounter()->Increase(env->isolate(), kExternalSize);
 }
 
 inline void SecureContext::Reset() {
-  if (ctx_ != nullptr) {
-    env()->external_memory_accounter()->Decrease(env()->isolate(),
-                                                 kExternalSize);
-  }
+  env()->external_memory_accounter()->Decrease(env()->isolate(), kExternalSize);
   ctx_.reset();
   cert_.reset();
   issuer_.reset();
@@ -1469,6 +1465,8 @@ void SecureContext::Init(const FunctionCallbackInfo<Value>& args) {
   if (!sc->ctx_) {
     return ThrowCryptoError(env, ERR_get_error(), "SSL_CTX_new");
   }
+
+  env->external_memory_accounter()->Increase(env->isolate(), kExternalSize);
   SSL_CTX_set_app_data(sc->ctx_.get(), sc);
 
   // Disable SSLv2 in the case when method == TLS_method() and the