oox: add support for the wpg namespace

The plan is that once these are here, the writerfilter ooxml tokenizer
can refer to them. And then the writerfilter will call back to oox to do
the real drawingml import.

Change-Id: I00eec562e32df359231d1a170367ab75702f0049

oox/source/token/namespaces.hxx.tail

@@ -53,6 +53,7 @@ inline sal_Int32 getNamespace( sal_Int32 nToken ) { return nToken & NMSP_MASK; }
 #define DSP_TOKEN( token )      OOX_TOKEN( dsp, token )
 #define LC_TOKEN( token )       OOX_TOKEN( dmlLockedCanvas, token )
 #define WPS_TOKEN( token )      OOX_TOKEN( wps, token )
+#define WPG_TOKEN( token )      OOX_TOKEN( wpg, token )
 
 // ============================================================================
 

oox/source/token/namespaces.txt

@@ -72,6 +72,7 @@ sprm                    http://sprm
 mce                     http://schemas.openxmlformats.org/markup-compatibility/2006
 mceTest                 http://schemas.openxmlformats.org/spreadsheetml/2006/main/v2
 wps                     http://schemas.microsoft.com/office/word/2010/wordprocessingShape
+wpg                     http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
 
 # extlst namespaces
 

oox/source/token/tokens.txt

@@ -5607,6 +5607,7 @@ wedgeEllipseCallout
 wedgeRectCallout
 wedgeRoundRectCallout
 weight
+wgp
 wheat
 wheel
 whenNotActive