Add SfxEnumItem to Natvis

Change-Id: I11177cd99a3d895c7ec94661fa677a0edfcdf9bf
Reviewed-on: https://gerrit.libreoffice.org/45536Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>

solenv/vs/LibreOffice.natvis

@@ -258,6 +258,9 @@
   <Type Name="SfxBoolItem">
     <DisplayString>{{which={m_nWhich,x}}} {m_bValue}</DisplayString>
   </Type>
+  <Type Name="SfxEnumItem &lt; * &gt;">
+    <DisplayString>{{which={m_nWhich,x}}} {m_nValue}</DisplayString>
+  </Type>
   <Type Name="CntUnencodedStringItem">
     <DisplayString>{{which={m_nWhich,x}}} {m_aValue}</DisplayString>
   </Type>