"Print from host" notification does not overwrite previous SD Card print filename if that name is longer than 18 characters

[Thinkersbluff]

Using CF6 Pre 5.
Print from SD card a file whose name is 19 or more characters long.

e.g.:

Stop Print.
Print any file from the Host.

Printer will show: "Printing from hostab" where "ab" are the 19th and 20th character in the previous SD card print filename.

e.g:

When printing from host, this screen should always show:

[Sebazzz]

Thanks. Fixed!