mnDataUpdateId can be sal_uInt32

Change-Id: Ied469752391afeca365838f83b35e75143b7cf65
Reviewed-on: https://gerrit.libreoffice.org/46223Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/tools/config.hxx

@@ -32,7 +32,7 @@ private:
     OString             maGroupName;
     ImplConfigData*     mpData;
     ImplGroupData*      mpActGroup;
-    sal_uIntPtr         mnDataUpdateId;
+    sal_uInt32          mnDataUpdateId;
     sal_uInt16          mnLockCount;
 
     TOOLS_DLLPRIVATE bool           ImplUpdateConfig() const;