Rollup merge of #127287 - aDotInTheVoid:jsondocck-index, r=GuillaumeGomez

jsondocck: Use correct index for error message.

If you misused a count command like ``@count` $some.selector '"T'"`, you would panic with OOB:

```
thread 'main' panicked at src/tools/jsondocck/src/main.rs:76:92:
index out of bounds: the len is 2 but the index is 2
```

This is because 57c85bd97da3 removed the file param, but didn't update the error case. We now error with:

```
Invalid command: Second argument to `@count` must be a valid usize (got `"T"`) on line 20
```

As some point I want to rewrite this code to avoid indexing in general, but this is a nice small fix.

r? `@GuillaumeGomez`

0 files changed, 0 insertions, 0 deletions