rcommand.cpp small fix

src/rcommand.cpp

@@ -343,7 +343,7 @@ void set_flush(uint8_t val[]) {
 // format: opcode, function, #bytes params,
 // flag (true = do make settings persistent / false = don't)
 //
-static cmd_t table[] = {
+static const cmd_t table[] = {
     {0x01, set_rssi, 1, true},          {0x02, set_countmode, 1, true},
     {0x03, set_gps, 1, true},           {0x04, set_display, 1, true},
     {0x05, set_loradr, 1, true},        {0x06, set_lorapower, 1, true},