Reduce scope of ports

Author: JessicaMulein

src/device.cpp

@@ -249,10 +249,10 @@ uint8_t Device::getDeviceAddress() const {
 }
 
 std::vector<uint8_t> *Device::getPortNumbers() {
-    uint8_t ports[Usbpp::Device::MAX_PORT_NUMBERS]; // these are not chars, actually uints- these are port numbers (or something similar)
     std::vector<uint8_t> *ports_vec = new std::vector<uint8_t>();
 
     if (pimpl->m_device != NULL) {
+        uint8_t ports[Usbpp::Device::MAX_PORT_NUMBERS];
         int count = libusb_get_port_numbers(pimpl->m_device, ports, Usbpp::Device::MAX_PORT_NUMBERS);
         if (count > 0) {
             ports_vec->reserve(count);