Fix std::fputws return value documentation#2989
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std::fputws returns EOF, not WEOF.
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TylerMSFT
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The current Microsoft documentation for std::fputws incorrectly states that it "returns WEOF", when, in reality, it returns EOF as-per the C/C++ standard.
I've verified this by checking ucrt's "stdio\fputws.cpp", which returns EOF and also makes a note of this in a comment: