Fix crash that can occur after running "Convert to Modern Objective-C Syntax" which leads to an NSArray that contains nil.
Fix crash that can occur after running "Convert to Modern Objective-C Syntax"
which leads to an NSArray that contains nil.

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