since the merging of the new USB HID code (hid.c -> hid-core.c) in ac4,
the mouse wheel has been broken (losing events).

this patch, by Micheal <leahcim@ntlworld.com>, fixes the problem.

Alan, please consider applying to the next -ac release.

thanks,

-- 
Robert M. Love
rml@ufl.edu
rml@tech9.net