Add WaitForSingleObject function to std.os.windows
Add WaitForSingleObject function to std.os.windows

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