fix uninitialized handle in cgroup intialize that could cause a crash
when cgroup_get_all_controller_begin() returns error.
===VersionHistory:None===
Merge branch 'v8_0-branch'
add MAX_DEFAULT_LOG knob to set the default value for max daemon log #4246
the param default size for all daemon logs is set to $(MAX_DEFAULT_LOG)
and statements in condor_config.generic to set daemon log are commented out.
===VersionHistory:Pending===
for #4246, have dprintf configure recognise MAX_DEFAULT_LOG
===VersionHistory:Pending===