copy: use getdents64() instead of getdents()

Author: fossdd

src/shared/copy.c

@@ -908,7 +908,7 @@ static int dir_is_empty_at(int dir_fd, const char *path) {
                 struct dirent *de;
                 ssize_t n;
 
-                n = getdents(fd, buf, m);
+                n = getdents64(fd, buf, m);
                 if (n < 0)
                         return -errno;
                 if (n == 0)