Fix Logitech G810 controller build on Linux

Controllers/LogitechController/LogitechG810Controller.cpp

@@ -8,6 +8,7 @@
 \*-----------------------------------------*/
 
 #include "LogitechG810Controller.h"
+#include <cstring>
 
 LogitechG810Controller::LogitechG810Controller(hid_device* dev_handle)
 {
@@ -113,4 +114,4 @@ void LogitechG810Controller::SendMode
     \*-----------------------------------------------------*/
     hid_write(dev, (unsigned char *)usb_buf, 20);
     hid_read(dev, (unsigned char *)usb_buf, 20);
-}
+}