Converter for Notepad++ v4.7 release

1. Fix char 255 failed being converted issue.
2. Update header files.

4386dcb10ce429c7e1a80d6085710893eef333d134accf79aae3b6e8df530d61  NppConvert.v4.7.arm64.zip
9aa959789ed8882b18f11dae694ea8f9260901be23cb359a870e9ac28422f186  NppConvert.v4.7.x64.zip
17a54bd2af45de388b47f767cafcb9b93618ea387639523d6d684f693ef59dc1  NppConvert.v4.7.zip