[Miner] Gminer keeps failing: invalid device index: 3
Log:
```
2019-11-14 15:12:35 VERBOSE: Bin\Gminer-v1.73\miner.exe --algo equihash96_5 --watchdog 0 --api 4001 --server equihash96.mine.zergpool.com --port 2148 --user xxx --pass ID=miner1,c=BTC --devices 2 3 1
```

Error:
```
invalid device index: 3
```

As it is an array it start at 0, i have 3 cards in the machine, so index 3 probably doesnt exist :-).

`-DeviceName nvidia` so only GPU is on no CPU.

Update:
it must be something in `MinersLegacy\Gminer-v-1.73.ps1` line 72 if i am correct