Sync from devel:
    2.8.4-11
    - fix bug in xchat-2.8.4-shm-pixmaps.patch (Adam Jackson, #429218)
    2.8.4-10
    - Rebuild
    2.8.4-9
    - xchat-2.8.4-shm-pixmaps.patch: MIT-SHM pixmaps are optional, and when
        using EXA they are not available. Check that the server supports them
        before trying to create them so we don't crash.