hpcc-systems/HPCC-Platform — pull request #4684 by wangkx (2013-07-25 19:46:22+00:00)
Title: HPCC-9782 Fix ESP core when package set not found from dali

When package set is not found from dali, getPkgSetRegistry()
returns a NULL pointer. ESP PackageProcesses service should
check the pointer before using it.

Signed-off-by: Kevin Wang