rra-c-util 2.6

This release rolls up various fixes from different projects. It adds Kerberos portability code for old MIT Kerberos and Heimdal releases without krb5_get_init_creds_opt_free, adds apr-config --includes to the Apache module build flags for Red Hat Enterprise Linux, and fixes probes for UNIX domain sockets on OpenBSD.

Also in this release is a new test function for listing the contents of a keytab and fixes to the test principal determination in the Kerberos and remctl test libraries.

Finally, the last few releases didn't properly update the contents of the distribution to include all the new M4 macro files in the release tarball. This has now been fixed.

You can get the latest version from the rra-c-util distribution page.