fixed the function name of fgetws

[abdoei]

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I know that, it is a small fix.

This part of the code exposes the C functions of wchar. It seems that the writer of the edited line forgot to change the last character after duplicating the line and the compiler doesn't complain about duplicate using declaration (or it does but it definitely compiles without errors).

[abdoei]

Sorry for not noticing that it is just a duplicate. :)

[Peter0x44]

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