krb5: add e2fsprogs dependency

Krb5 needs libcom_err from e2fsprogs to be built.  It looks like
in some cases if e2fsprogs was built before krb5 this would
silently pass.

* add that e2fsprogs dependency explicitly.
* added back the PR and updated its value to r1.

Signed-off-by: Ian Reinhart Geiser <igeiser@devonit.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>