Fix encoding issues when generated HELP_LINK() HTML
In generatedoc.c, lines with type 'K' did not have text converted from Latin-1 to UTF-8, causing encoding issues when viewing HTML-generated documentation (specifically, the degree sign).
In generatedoc.c, lines with type 'K' did not have text converted from Latin-1 to UTF-8, causing encoding issues when viewing HTML-generated documentation (specifically, the degree sign).