processes_remote_p initialize numColumns, freeMemory in ctor
Fix PVS-Studio issues "processcore/processes_remote_p.cpp 27 err V614
Uninitialized variable 'freeMemory' used.
processcore/processes_remote_p.cpp 20 err V730 Not all members of a class
are initialized inside the constructor. Consider inspecting: numColumns,
freeMemory.".