/usr/include/casacore/msfits/ is in casacore-dev 2.2.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/casacore/msfits/MSFits/
/usr/include/casacore/msfits/MSFits.h
/usr/include/casacore/msfits/MSFits/FitsIDItoMS.h
/usr/include/casacore/msfits/MSFits/MSFitsIDI.h
/usr/include/casacore/msfits/MSFits/MSFitsInput.h
/usr/include/casacore/msfits/MSFits/MSFitsOutput.h
/usr/include/casacore/msfits/MSFits/MSFitsOutputAstron.h
/usr/include/casacore/msfits/MSFits/SDAntennaHandler.h
/usr/include/casacore/msfits/MSFits/SDDataDescHandler.h
/usr/include/casacore/msfits/MSFits/SDFITSHandler.h
/usr/include/casacore/msfits/MSFits/SDFeedHandler.h
/usr/include/casacore/msfits/MSFits/SDFieldHandler.h
/usr/include/casacore/msfits/MSFits/SDHistoryHandler.h
/usr/include/casacore/msfits/MSFits/SDMainHandler.h
/usr/include/casacore/msfits/MSFits/SDObservationHandler.h
/usr/include/casacore/msfits/MSFits/SDPointingHandler.h
/usr/include/casacore/msfits/MSFits/SDPolarizationHandler.h
/usr/include/casacore/msfits/MSFits/SDSourceHandler.h
/usr/include/casacore/msfits/MSFits/SDSpWinHandler.h
/usr/include/casacore/msfits/MSFits/SDSysCalHandler.h
/usr/include/casacore/msfits/MSFits/SDWeatherHandler.h