kamcmd: lower max size for socket name
- was set to 108 which is common for linux, but mac os x has it 104
- set to 100 now
(cherry picked from commit 3f4c63802194cb83ffb8124e5ae38f85ee315c28)
(cherry picked from commit 05242f6db6edcf32705722dcd0d9d3e3cf7a8340)