Logger → log4cpp_null Relation

File in Logger	Includes file in log4cpp_null
Logger.cpp	include / log4cpp / Category.hh
Logger.cpp	include / log4cpp / PatternLayout.hh
Logger.cpp	include / log4cpp / PropertyConfigurator.hh
Logger.cpp	include / log4cpp / RollingFileAppender.hh
Logger.h	include / log4cpp / Category.hh