Options referenced in warning message not available

[TobiBS]

https://github.com/kohler/lcdf-typetools/blob/3d379a9fe6f2b636a05771c3874cc571b8415694/otftotfm/secondary.cc#L241

This line references options that are not available, hence they should be replaced by --x-height=x and --x-height=font as explained in https://tex.stackexchange.com/questions/629932/is-there-an-option-use-x-height-for-otftotfm/629936#629936

[kohler]

Thanks for the report!

[TobiBS]

Thank you for fixing it so fast @kohler !