Fix `WSAEACCES` typo in error message on Windows

[sodic]

WinSockErr.c misspells the socket error WSAEACCES as WSAEACCESS (note the extra "S" at the end):

network/cbits/winSockErr.c

Line 17 in 63914c9

case WSAEACCES: return "Permission denied (WSAEACCESS)";

It's a trivial fix, so here's the PR for it: #622

In case you decide not to fix the bug (Hyrum's law and all that), feel free to say so and close the PR.
This issue will document the decision, detering contributors and agents from future attempts.