libuuid: add error checking to syscalls in get_clock()

Also remove redundant close() of state_fd, since the fclose() of
state_f will result in the fd being closed.

Addresses-Coverity-Id: #1049146
Addresses-Coverity-Id: #26092

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
1 file changed