CMake: Fix the comment about versions. [skip ci]

[tcpdump] / tests / aoe-oobr-1.out

    1  2014-04-24 06:58:21.1048579 AoE length 18, Ver 1, Flags: [Response, MBZ-1, MBZ-0]
        Major: 0x40f6, Minor: 0x02, Command: Reserve/Release, Tag: 0x01010101
        RCmd: Set reserve list, NMacs: 1 [|aoe]