auto-import changelog data from cups-1.1.21-1.rc2.1.src.rpm
    1.1.21-1.rc2.1
    - 1.1.21rc2.
    - No longer need state, reload-timeout or str743 patches.
    - httpnBase64 patch no longer applies; alternate method implemented
        upstream.
    - Fix single byte overread in usersys.c (spotted by Colin Walters).