Initialize keyStore and certStore in all constructors

Author: jackjansen

src/ESPWebServerSecure.cpp

@@ -12,7 +12,9 @@ ESPWebServerSecure::ESPWebServerSecure(IPAddress addr, int port)
 ESPWebServerSecure::ESPWebServerSecure(int port)
 : ESPWebServer(new httpsserver::HTTPSServer(&_sslCert, port, 4)),
   _underlyingServer(this),
-  _sslCert()
+  _sslCert(),
+  keyStore(NULL),
+  certStore(NULL)
 {}
 
 void ESPWebServerSecure::setServerKeyAndCert(const uint8_t *key, int keyLen, const uint8_t *cert, int certLen) {