fix sigset macro for 64-bit systems (<< was overflowing due to wrong type)

[musl] / src / unistd / fchown.c

#include <unistd.h>
#include "syscall.h"

int fchown(int fd, uid_t uid, gid_t gid)
{
        return syscall(SYS_fchown, fd, uid, gid);
}