Fix for bug #1762727. Use an int rather than char to hold character values as that is expected by CharacterSet.
Fix for bug #1762727. Use an int rather than char to hold character values
as that is expected by CharacterSet.

rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror