src/c/opcadapter/OPCDataSource.cpp
src/c/opcadapter/OPCDataSource.h
Access Violation by remove group corrected, pServerGroup and groupUpdatRate should NOT be freed
cause they were NOT dynamic
src/c/opcadapter/PollingOPCDataSource.cpp
src/c/opcadapter/PollingOPCDataSource.h
Warning message by bad quality added
