[PATCH] wine/debug.h: Avoid narrowing conversions in struct initializers.

[Jacek Caban]

Fixes using the header from C++.

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---

The error is:

wine-git/include/wine/debug.h:365:69: error: narrowing conversion of 
‘-1’ from ‘int’ to ‘unsigned char’ inside { } [-Wnarrowing]
      static struct __wine_debug_channel __wine_dbch_##ch = { ~0, #ch }; \
                                                                      ^
test.cpp:6:1: note: in expansion of macro ‘WINE_DEFAULT_DEBUG_CHANNEL’

  include/wine/debug.h | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)