fdo#43641 oox: add support for the lockedCanvas 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: Ibc0d9838f3db717004a3bc8b80a408a39c8f0886

oox/source/token/namespaces.hxx.tail

@@ -51,6 +51,7 @@ inline sal_Int32 getNamespace( sal_Int32 nToken ) { return nToken & NMSP_MASK; }
 #define XML_TOKEN( token )      OOX_TOKEN( xml, token )
 #define VMLPPT_TOKEN( token )   OOX_TOKEN( vmlPowerpoint, token )
 #define DSP_TOKEN( token )      OOX_TOKEN( dsp, token )
+#define LC_TOKEN( token )       OOX_TOKEN( dmlLockedCanvas, token )
 
 // ============================================================================
 

oox/source/token/namespaces.txt

@@ -49,6 +49,7 @@ dsp                     http://schemas.microsoft.com/office/drawing/2008/diagram
 dmlChart                http://schemas.openxmlformats.org/drawingml/2006/chart
 dmlChartDr              http://schemas.openxmlformats.org/drawingml/2006/chartDrawing
 dmlDiagram              http://schemas.openxmlformats.org/drawingml/2006/diagram
+dmlLockedCanvas         http://schemas.openxmlformats.org/drawingml/2006/lockedCanvas
 dmlPicture              http://schemas.openxmlformats.org/drawingml/2006/picture
 dmlSpreadDr             http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing
 dmlWordDr               http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing