/usr/include/ is in kdepim-dev 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/kleo/
/usr/include/kleo/downloadjob.h
/usr/include/kleo/signjob.h
/usr/include/kleo/exportjob.h
/usr/include/kleo/job.h
/usr/include/kleo/cryptobackend.h
/usr/include/kleo/oidmap.h
/usr/include/kleo/dn.h
/usr/include/kleo/specialjob.h
/usr/include/kleo/changeownertrustjob.h
/usr/include/kleo/decryptjob.h
/usr/include/kleo/signkeyjob.h
/usr/include/kleo/kleo_export.h
/usr/include/kleo/ui/
/usr/include/kleo/ui/progressdialog.h
/usr/include/kleo/ui/keyapprovaldialog.h
/usr/include/kleo/ui/keylistview.h
/usr/include/kleo/ui/keyrequester.h
/usr/include/kleo/ui/keyselectiondialog.h
/usr/include/kleo/ui/kdhorizontalline.h
/usr/include/kleo/ui/cryptoconfigdialog.h
/usr/include/kleo/ui/messagebox.h
/usr/include/kleo/ui/directoryserviceswidget.h
/usr/include/kleo/ui/progressbar.h
/usr/include/kleo/ui/dnattributeorderconfigwidget.h
/usr/include/kleo/ui/cryptoconfigmodule.h
/usr/include/kleo/changeexpiryjob.h
/usr/include/kleo/verifyopaquejob.h
/usr/include/kleo/decryptverifyjob.h
/usr/include/kleo/abstractimportjob.h
/usr/include/kleo/enum.h
/usr/include/kleo/deletejob.h
/usr/include/kleo/refreshkeysjob.h
/usr/include/kleo/signencryptjob.h
/usr/include/kleo/cryptobackendfactory.h
/usr/include/kleo/importjob.h
/usr/include/kleo/verifydetachedjob.h
/usr/include/kleo/encryptjob.h
/usr/include/kleo/cryptoconfig.h
/usr/include/kleo/keyfiltermanager.h
/usr/include/kleo/hierarchicalkeylistjob.h
/usr/include/kleo/keylistjob.h
/usr/include/kleo/keyfilter.h
/usr/include/kleo/multideletejob.h
/usr/include/kleo/importfromkeyserverjob.h
/usr/include/kleo/adduseridjob.h
/usr/include/kleo/keygenerationjob.h
/usr/include/libkleopatraclient/
/usr/include/libkleopatraclient/gui/
/usr/include/libkleopatraclient/gui/certificaterequester.h
/usr/include/libkleopatraclient/core/
/usr/include/libkleopatraclient/core/selectcertificatecommand.h
/usr/include/libkleopatraclient/core/initialization.h
/usr/include/libkleopatraclient/core/command.h
/usr/include/libkleopatraclient/core/signencryptfilescommand.h
/usr/include/libkleopatraclient/kleopatraclient_export.h
/usr/include/kpgp/
/usr/include/kpgp/kpgpkey.h
/usr/include/kpgp/kpgpblock.h
/usr/include/kpgp/kpgp.h
/usr/include/kpgp/libkpgp_export.h
/usr/include/kpgp/kpgpbase.h
/usr/include/kpgp/kpgpui.h