can be observed with MSVC 2010SP1 (16.0.40219.1) x86 target in dbg configuation:
C:\047rls\reactos\dll\win32\mswsock\mswhelper.c(264) : warning C4146: unary minus operator applied to unsigned type, result still unsigned
C:\047rls\reactos\dll\win32\mswsock\mswhelper.c(280) : warning C4146: unary minus operator applied to unsigned type, result still unsigned
C:\047rls\reactos\dll\win32\mswsock\mswhelper.c(326) : warning C4146: unary minus operator applied to unsigned type, result still unsigned
Fix is a partial pick of 0.4.10-dev-409-g 0f8439aa71
No warnings left in this module.