Do not use array length trick in imphint.c
Do not use array length trick in utf.c
By definition, cmtable is always 256 elements
Do not use array length trick for 'keywords'
Do not use array length trick in Lexer::uniqueId
Do not use array length trick in speller unittest
Do not use array length trick in ForeachStatement::semantic
Do not use array length trick in VersionCondition::isPredefined
Do not use array length trick in floatToBuffer
Do not use array length trick in realToMangleBuffer
Do not use array length trick in Section::write
Do not use array length trick in isKeyword (doc.c)
Do not use array length trick in RealExp::toChars
Do not use array length trick in ComplexExp::toChars
Do not use array length trick in ToJsonVisitor::propertyStorageClass
Do not use array length trick in Type::init
Do not use array length trick in StorageClassDeclaration::stcToChars
Do not use array length trick in StorageClassDeclaration::stcToCBuffer
Merge pull request #3025 from yebblies/arraylength

[DDMD] Do not use array length trick