std/os/windows/util.zig: SKIP instead of PASS on non-windows systems;
std/os/windows/util.zig: SKIP instead of PASS on non-windows systems;

Tracking Issue #1318 ;

raulgrell/zig,raulgrell/zig,raulgrell/zig,zig-lang/zig,Dimenus/zig,raulgrell/zig,zig-lang/zig,Dimenus/zig,zig-lang/zig,andrewrk/zig,raulgrell/zig,andrewrk/zig,Dimenus/zig