ntdll: use correct prototype for thread function

[Peter Oberndorfer]

remove now unneeded cast
---
 dlls/ntdll/tests/atom.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 101549664fbb90f8eeba6de67bc79d25361b6202.diff
Type: text/x-patch
Size: 846 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20070510/029e8454/101549664fbb90f8eeba6de67bc79d25361b6202.bin