• fix some spanish strings.

    From Rob Swindell@1:103/705 to GitLab note in main/sbbs on Thu Nov 2 15:27:00 2023
    https://gitlab.synchro.net/main/sbbs/-/merge_requests/338#note_4421

    I'd be happy to accept corrections to the file (in CP437) and translated menu files in text/menu/es/* as well!
    --- SBBSecho 3.20-Linux
    * Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)