Patch from Nathan Holstein to avoid NUL characters entered for FN+arrow keys.
Patch from Nathan Holstein to avoid NUL characters entered for
FN+arrow keys.

R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone