add p14 namespace to xmlfilterbase

Change-Id: I34d253e9f5bdfff14f1940544ae5bbb019bf506b

oox/source/core/xmlfilterbase.cxx

@@ -119,7 +119,8 @@ struct NamespaceIds: public rtl::StaticWithInit<
             "http://schemas.openxmlformats.org/spreadsheetml/2006/main/v2",
             "http://schemas.microsoft.com/office/drawing/2008/diagram",
             "http://schemas.microsoft.com/office/spreadsheetml/2009/9/main",
-            "http://schemas.libreoffice.org/"
+            "http://schemas.libreoffice.org/",
+            "http://schemas.microsoft.com/office/powerpoint/2010/main"
         };
 
         static const sal_Int32 namespaceIds[] = {
@@ -147,7 +148,8 @@ struct NamespaceIds: public rtl::StaticWithInit<
             NMSP_mceTest,
             NMSP_dsp,
             NMSP_xls14Lst,
-            NMSP_loext
+            NMSP_loext,
+            NMSP_p14,
         };
 
         Sequence< beans::Pair< OUString, sal_Int32 > > aRet(SAL_N_ELEMENTS(namespaceIds));