user32: At least fail instantly on buffer overflow in winproc.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48559
Signed-off-by: Roman Pišl rpisl@seznam.cz
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48559
Signed-off-by: Roman Pišl rpisl@seznam.cz