[MacPorts] #15750: build libxml2 with two-level namespace

[MacPorts]

#15750: build libxml2 with two-level namespace
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 Reporter:  ricci at macports.org  |       Owner:  macports-tickets at lists.macosforge.org
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  1.6.0                                
 Keywords:                      |  
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 Attached patch makes libxml2 build with two-level namespace (at least for
 me, on 10.5.3 x86).
 This will likely fix the problems reported in tickets #14063 and #15263.

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Ticket URL: <http://trac.macports.org/ticket/15750>
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