Code review comment for ~info-martin-konrad/epics-base:fix-log-issues

My MinGW cross-build fails on RHEL-7.6, gcc version 4.9.3 20150626 (Fedora MinGW 4.9.3-1.el7):

../osi/os/WIN32/osdSockUnsentCount.c: In function 'epicsSocketUnsentCount':
../osi/os/WIN32/osdSockUnsentCount.c:19:5: error: unknown type name 'TCP_INFO_v0'
     TCP_INFO_v0 tcpInfo;
     ^
../osi/os/WIN32/osdSockUnsentCount.c:21:34: error: 'SIO_TCP_INFO' undeclared (first use in this function)
     if ((status = WSAIoctl(sock, SIO_TCP_INFO, &infoVersion, sizeof(infoVersion),
                                  ^
../osi/os/WIN32/osdSockUnsentCount.c:21:34: note: each undeclared identifier is reported only once for each function it appears in
../osi/os/WIN32/osdSockUnsentCount.c:23:23: error: request for member 'BytesInFlight' in something not a structure or union
         return tcpInfo.BytesInFlight;
                       ^
../osi/os/WIN32/osdSockUnsentCount.c:20:9: warning: variable 'status' set but not used [-Wunused-but-set-variable]
     int status;
         ^