The reply struct's size can safely be determined by the sizeof()
operator, so no need for using an extra define here. Making the code
easier to read and also open the door for future convenience macros
that might determine the buffer size on their own.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1665>
6bd673ab15