- update to bugzilla 4.4.6

Summary
=======
The following security issues have been discovered in Bugzilla:

* The 'realname' parameter is not correctly filtered on user account
  creation, which could lead to user data override.
* Several places were found in the Bugzilla code where cross-site
  scripting attacks could be used to access sensitive information.
* Private comments can be shown to flagmail recipients who aren't in
  the insider group
* Specially formatted values in a CSV search results export could be
  used in spreadsheet software to attack a user's computer.

Security:	CVE-2014-1572
		CVE-2014-1571
		CVE-2014-1571
Replace @dirrm/@dirrmtry with @dir in makeplist and leftovers check

Differential Revision:	https://reviews.freebsd.org/D901
Reviewed by:	bapt
With hat:	portmgr
Import libwpg03
Make sure that libwpg is not conflicting with libwpg03
Import libvisio01
Ensure libvisio01 does not conflicts with libvisio
Import libmspub01
Ensure it does not conflicts with libmspub
Fix packaging
Fix packaging