fcd983440e
We are using std::isspace() with one parameter. That function is defined in the cctype header. ``` win32ipcutils.cpp(34): error C2672: 'std::isspace': no matching overloaded function found win32ipcutils.cpp(34): error C2780: 'bool std::isspace(_Elem,const std::locale &)': expects 2 arguments - 1 provided ``` Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3933>