[SCM] Debian packaging for XML-Security-C branch, master, updated. debian/1.6.0-2-6-g508773a

[Russ Allbery]

The following commit has been merged in the master branch:
commit 504bee5211b25a7ddf6f7781ff5f3d7d301fc7cb
Merge: 5c116b368fb141706fe4dc85263b513d7413a2de b45c048ada7c0cee18e1c347dced1d2ae8d44bec
Author: Russ Allbery <rra at debian.org>
Date:   Thu Jul 7 08:44:55 2011 -0700

    Merge commit 'upstream/1.6.1'


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Debian packaging for XML-Security-C