/usr/include/ is in libebook-contacts1.2-dev 3.12.9~git20141128.5242b0-2+deb8u3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/evolution-data-server/
/usr/include/evolution-data-server/libebook-contacts/
/usr/include/evolution-data-server/libebook-contacts/e-source-backend-summary-setup.h
/usr/include/evolution-data-server/libebook-contacts/libebook-contacts.h
/usr/include/evolution-data-server/libebook-contacts/e-address-western.h
/usr/include/evolution-data-server/libebook-contacts/e-vcard.h
/usr/include/evolution-data-server/libebook-contacts/e-contact.h
/usr/include/evolution-data-server/libebook-contacts/e-book-query.h
/usr/include/evolution-data-server/libebook-contacts/e-book-contacts-enumtypes.h
/usr/include/evolution-data-server/libebook-contacts/e-phone-number.h
/usr/include/evolution-data-server/libebook-contacts/e-name-western.h
/usr/include/evolution-data-server/libebook-contacts/e-book-contacts-types.h