http://bugs.winehq.org/show_bug.cgi?id=21015
--- Comment #8 from Dmitry Timoshkov dmitry@codeweavers.com 2010-03-21 04:09:38 --- (In reply to comment #7)
Do I need to download a fresh copy from Git or is there some kind of "clean" command I can issue?
'make clean' or 'make distclean' should probably work. If not, try to checkout into a new branch.