/usr/share/man/man1/krb5-config.1.gz is in libkrb5-dev 1.12.1+dfsg-19+deb8u4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/krb5-config.mit.1.gz
/usr/share/man/man1/krb5-config.mit.1.gz