Fix typo

Change-Id: If3601066764ca33fd5321e318af6fee0501199e5
Reviewed-on: https://gerrit.libreoffice.org/72631
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

dtrans/source/win32/workbench/XTDo.hxx

@@ -41,7 +41,7 @@ class EnumFormatEtc;
       and decides if there is a format he can use
       if there is one, he requests the data in this format
 
-    - This class inherits from IDataObject an so can be placed on the
+    - This class inherits from IDataObject and so can be placed on the
       OleClipboard. The class wraps a transferable object which is the
       original DataSource
     - DataFlavors offered by this transferable will be translated into